Investigate shrinkage · printable packet

Shrinkage is what the records say should be in stock less what the count finds; spoilage, breakage, recording errors and giveaways explain most of it, each with its own evidence and its own fix.

Paper packet. Every task here also exists on screen, where it is checked automatically; answers written on paper are not assessed by Nydus. When you are back at a device, enter your answers there.

1. What you will learn

You will compute and value shrinkage from opening stock, receipts, recorded sales and a count, match findings to spoilage, breakage, giveaways and recording errors, and order an investigation that looks at the likely explanations before loss.

2. What you already have

You can set a reorder point and price the stock on the shelf. Both assume the records are right about how much stock there is. A count sometimes says otherwise.

3. Words for this lesson

4. Measure the gap, then explain it

Monica started the month with 120 avocados, received 300 and recorded 340 sold. The records say 120 + 300 − 340 = 80 should be in the crates. The count found 64. Shrinkage: 16 avocados, 20 percent of what should be there, worth 8 dollars at 50 cents each.

That figure says something is wrong. It does not say what. Avocados ripen and spoil; some get squashed; some are sold in a rush and never rung up; some go to a regular as a thank-you. Each explanation has a different fix, such as smaller orders, better crates, a register habit or a giveaway log, and theft is usually the least likely of them.

So investigate in order: recount and compare; check the records for errors; look for spoilage and breakage; account for giveaways. Only a gap that remains after all of that points to loss, and even then the fix is to the process that allowed it, such as how stock is stored or handed out.

Term	What it means
Expected stock	Opening stock plus received, less sold or used.
Count	A physical count of what is actually there.
Shrinkage	Expected stock less the count.
Spoilage and breakage	Stock gone off or damaged.
Recording error	Stock used or sold but not written down as such.
Giveaways	Samples and staff meals taken from stock.
Loss	Theft or misplacement: usually the least likely cause.

Another way: table

Monica's avocados, one month.

	Avocados
Opening stock	120
Received	300
Recorded sold	340
Expected in the crates	80
Counted	64
Shrinkage	16 (20 percent)

Another way: steps

Work out the expected stock from the records.
Count what is there.
Take the count from the expected stock, and value the gap.
Check the records for errors.
Check for spoilage, breakage and giveaways.
Only then consider loss, and fix the process.

5. Evidence that tells the explanations apart

Each explanation leaves its own trace. Spoilage shows up in a waste log, a note of what was thrown away and why. Breakage shows up in the same log, or as damaged stock set aside. Recording errors show up when the records are checked against something else: job tags against lights fitted, recipe cards against flour used, register receipts against the orders cooked. Giveaways show up once they are written down.

Keep those records for a month and most shrinkage explains itself. Neighborhood Kitchen found its missing chicken in three places: portions past their date in the bin, staff lunches never written down, and catering orders keyed into the register as a single line. None of it was theft, and accusing anyone would have damaged trust and fixed nothing.

6. The method, step by step, and how to check it

Work out the expected stock. Opening count plus deliveries received, less what the records say was sold or used.

Count. Physically, at a quiet time, ideally with two people, and recount anything that looks off.

Measure and value the gap. Expected less counted, in units and dollars, and as a percentage of expected.

Check the records. Compare sales and use records against a second source: job tags, recipe cards, delivery notes. Look for items used but never recorded, and deliveries recorded but short.

Check spoilage, breakage and giveaways. From the waste log, damaged stock and any giveaway record. Start these logs if they do not exist.

Consider loss last. Only for a gap that remains, and as a question about the process.

Check the arithmetic. Expected stock can never be negative; the explained amounts plus any unexplained gap must add up to the shrinkage; and a delivery note that was short counts as a receiving error, not shrinkage on the shelf.

7. Why each step is allowed

Computing expected stock from the records is allowed because stock only enters by delivery and leaves by sale or use. Whatever is not on the shelf and not in the records left some other way, and that is the gap.

Checking records first is wise because recording errors are the commonest cause and the cheapest to find. A gap that is really a missing line on a job sheet does not need an investigation; it needs a habit.

Leaving loss until last is needed because an accusation on a guess does real harm to a person and to trust, and it finds nothing if the cause was a spoiled crate or a miscounted delivery.

8. Counting well

A count is only useful if it is accurate. Count when stock is not moving, before opening or after closing. Use a sheet with every item listed, so nothing is skipped. Have one person count and another record, and recount any item that differs from the records by more than a little.

Count the same way every time, at the same point in the cycle. A count taken the morning after a delivery and one taken the evening before cannot be compared without allowing for the delivery. Many small businesses do a full count monthly and a quick count of their most valuable or most troublesome items weekly.

9. Checking deliveries

Some shrinkage happens before stock ever reaches the shelf. A delivery of 300 avocados that is really 288 shows up as shrinkage at the end of the month, but the cause is at the back door. Count deliveries against the delivery note when they arrive, and note any shortfall or damage on the note before signing it.

Suppliers usually credit short or damaged deliveries if told at once, and rarely if told a week later. A thirty-second check at the door can remove a whole cause of shrinkage, and the supplier lesson that follows uses the same delivery records to compare suppliers.

10. Shrinkage you can design out

Most shrinkage has a process fix, and each explanation points to its own. Spoilage falls with smaller, more frequent orders and first in, first out. Breakage falls with better crates, lower shelves or packaging that protects. Recording errors fall when the record is part of the step: a line on the job tag for parts fitted, a register button for each catering item. Giveaways become visible with a simple log.

Measure shrinkage again after each fix. Monica's avocado shrinkage fell from 20 to 8 percent after she ordered twice a week instead of once and added a 'tasting' line to her sales sheet.

11. When a real gap remains

If a gap remains after records, spoilage, breakage and giveaways have been checked, treat it first as a process question. Who has access to the stock? Is it stored where customers can reach it unseen? Is valuable stock locked, and is the key controlled? Changes to storage and access often close the gap without anyone being named.

If a person may be involved, slow down. Gather evidence, keep it private, and follow the employment and legal process that applies in your state before acting. The local-rules lesson later in this course shows how to find those rules from official sources.

12. Keeping a waste log

A waste log is the cheapest tool in this lesson and the one that explains the most. It is a sheet by the bin or the back door with five columns: date, item, quantity, reason and initials. Reasons can be a short fixed list: past date, damaged, dropped, sample, staff meal, returned faulty.

Make it quick to fill in, so it is filled in every time, and make it clear that writing something in the log is never a mark against anyone. The point is to count, not to blame. Totaled at the end of each month, the log usually explains most of the shrinkage on its own, and it shows which reason is largest, which is where the next process fix belongs.

13. Shrinkage as a regular figure

Work out shrinkage every month for the important items, as a percentage of expected stock, and keep the figures in one table. A steady low figure, say 1 or 2 percent, is normal counting noise and natural loss. A figure that jumps suddenly is a signal: a new supplier short-delivering, a new staff member not recording parts, a cooler that is not holding temperature.

Read the jump the same way as the first gap: records first, then spoilage and breakage, then giveaways, then the process. Because the regular figures are there to compare against, the change itself points to when the cause began, which often points to what it is. A month-by-month table of shrinkage is one of the simplest early warnings a small business can keep, and one of the cheapest to start this very month.

14. In the world: a Louisville coffee roaster finds its missing beans

A small coffee roaster in Louisville counted its green beans each month and kept finding about 6 percent less than the records said, roughly 300 dollars' worth. The owner's first thought was that someone was taking beans home. Instead she worked through the explanations in order.

Records first: the roasting log recorded the weight of beans after roasting, not before, and coffee loses about 15 percent of its weight in the roaster. Correcting the log to record the green weight going in explained most of the gap at once.

Breakage and spoilage next: a few bags had been ripped on the forklift and partly swept up. Giveaways: samples for café customers had never been logged. After a month with corrected records, a waste log and a sample log, the unexplained gap was under half a percent, within counting error. Nobody had been accused, and the corrected roasting log also showed the true cost of each roasted pound, which led her to raise two prices.

15. In the world: retail shrinkage

Retail industry surveys in the United States estimate shrinkage at around one and a half percent of sales, and they find that administrative and paperwork errors, damage and supplier mistakes account for a large share of it alongside theft. A small business that checks its records first is following where the evidence usually points.

16. Where this goes wrong

Missing stock means theft. Spoilage, breakage and recording errors are far more common.

Confront the likely person. An accusation on a guess does harm and finds nothing.

Shrinkage starts on the shelf. Some starts at the back door with a short delivery.

17. Bright Home Cleaning's sponges

18. Northside Repairs' bike lights

19. Neighborhood Kitchen's chicken

20. Your turn: Monica's avocados

21. Guided practice

Neighborhood Kitchen found chicken portions missing. Match each finding to the explanation it supports.

22. Guided practice

Complete the worked solution: Bright Home Cleaning began the month with $34$ bottles of glass cleaner, received $102$ and recorded $86$ used on jobs. The count at the end of the month found $44$. Find the expected stock, the shrinkage in bottles, and the shrinkage as a percentage of the expected stock.

23. Guided practice

Northside Repairs' count of bike lights is short. Put Dev's investigation in order.

24. Practice

At Maya's Ceramics, the month began with $80$ finished mugs. $120$ more were received and the records show $100$ sold or used. The count at the end of the month found $90$. How many finished mugs are missing?

25. Practice

At Monica's Market Stall, the month began with $120$ avocados. $300$ more were received and the records show $340$ sold or used. The count at the end of the month found $64$. Each cost $0.50$ dollars. What are the missing avocados worth, in dollars?

26. Practice

A hardware store in Cincinnati counted its packs of batteries and found $12$ fewer than the records said. Checking the register receipts, the owner found $4$ packs sold during a busy weekend that were rung up as 'miscellaneous' instead of batteries. Each pack cost the store $5$ dollars. What are the packs still unexplained worth, in dollars? Fill in each figure on the sheet.

27. Somewhere new

A bakery's flour count is $24$ pounds short at the end of each week. Which step would best show where it went?

28. Lesson test

Lesson test: one question per skill, one attempt each, no hints. Your answers are checked when you submit.

29. Test question

At Bright Home Cleaning, the month began with $60$ sponges. $140$ more were received and the records show $150$ sold or used. The count at the end of the month found $40$. Fill in the expected stock, the shrinkage in units, and the shrinkage as a percentage of the expected stock.

30. What you can do now

You can measure a stock gap and investigate it without jumping to theft. Tell someone why a waste log explains more shrinkage than a camera. Next: which supplier the delivery record favors.

Working for the steps left to you

	Amount
Units still unexplained
Value of the unexplained loss, dollars

	Value
Expected stock
Shrinkage, units
Shrinkage, percent

$\text{the waste log for spoiled fruit}$

Avocados ripen fast.

	Spoilage	Breakage	Giveaways	Recording error
$6$ portions in the bin log past their date
A tray of portions dropped on Tuesday
Staff lunches taken from stock and never written down
Catering orders keyed into the register as one line