ACC 250 · In-Class Case

Costco: Reading the Real Financial Statements

Know what each account means, and you can find it in the statements.

Form 10-K, fiscal year ended August 31, 2025 · $ millions

Income statement as a picture

Where each revenue dollar goes

Net sales269,912Membership fees5,323Total revenue275,235100.0% of revenueGross profit*35,34912.8% of revenueMerchandise costs239,88687.2% of revenueOperating income10,3833.8% of revenueSG&A24,9669.1% of revenueInterest & other income4350.2% of revenueIncome before taxes10,8183.9% of revenueNet income8,0992.9% of revenueIncome taxes2,7191.0% of revenue$ millions

*Here gross profit = total revenue − merchandise costs, so it includes membership income. The worksheet’s gross profit margin uses net sales only. Green = profit, red = costs.

Find it in the statements

Know the concept, find the account

Find it in the statements

Know the concept, find the account

How the numbers connect

Cost, used up, and what is left

Property and equipment$M
Property and equipment, at cost50,840
Less: Accumulated depreciation(18,931)
Property and equipment, net31,909
Retained earnings$M
Retained earnings, Sep 1, 202417,619
Add: Net income8,099
Less: Dividends(2,183)
Less: Others (incl. share repurchases, Ch11)(885)
Retained earnings, Aug 31, 202522,650
Two connectionsNet = cost − accumulated depreciation. Net income flows into retained earnings.

Ratios

Three numbers that describe Costco

Gross profit margin
11.1%
Net profit margin
2.9%
13 (269,912 − 239,886) ÷ 269,912 = 11.1%  ·  14 8,099 ÷ 275,235 = 2.9%
15 Current ratio = 38,380 ÷ 37,108 = 1.03
TakeawayCostco keeps about 3 cents of every sales dollar as profit, and only about 11 cents after paying for the goods: it makes much of its profit from membership fees.