Question: Look at the balance sheet for the last two years. What caused the changes in the balance sheet from last year to this year? Us account names and number for both years to explain your answer.

COSTCO WHOLESALE CORPORATION CONSOLIDATED BALANCE SHEETS (amounts in millions, except par value and share data) August 29, 2021 August 30, 2020 $ 11,258 $ 917 1,803 14,215 1,312 29,505 12,277 1,028 1,550 12,242 1,023 28,120 23,492 2,890 3,381 59,268 $ 21,807 2,788 2,841 55,556 $ ASSETS CURRENT ASSETS Cash and cash equivalents Short-term investments Receivables, net Merchandise inventories Other current assets Total current assets OTHER ASSETS Property and equipment, net Operating lease right-of-use assets Other long-term assets TOTAL ASSETS LIABILITIES AND EQUITY CURRENT LIABILITIES Accounts payable Accrued salaries and benefits Accrued member rewards Deferred membership fees Current portion of long-term debt Other current liabilities Total current liabilities OTHER LIABILITIES Long-term debt, excluding current portion Long-term operating lease liabilities Other long-term liabilities TOTAL LIABILITIES COMMITMENTS AND CONTINGENCIES EQUITY Preferred stock $0.01 par value; 100,000,000 shares authorized; no shares issued and outstanding Common stock $0.01 par value; 900,000,000 shares authorized; 441,825,000 and 441,255,000 shares issued and outstanding Additional paid-in capital Accumulated other comprehensive loss Retained earnings Total Costco stockholders' equity Noncontrolling interests TOTAL EQUITY TOTAL LIABILITIES AND EQUITY 16,278 $ 4,090 1,671 2,042 799 4,561 29,441 I 14,172 3,605 1,393 1,851 95 3,728 24,844 6,692 2,642 2,415 41,190 7,514 2,558 1,935 36,851 7,031 (1,137) 11,666 17,564 514 18,078 59,268 $ 4 6,698 (1,297) 12,879 18,284 421 18,705 55,556