what is the average accounts payable for each year down please separately and then find the account payable turn over for each years

Data table 2021 2020 $ 190 110 $ 160 174 46 28 9 9 At year-end (In millions) Liabilities and stockholders' equity Current liabilities Accounts payable Accrued expenses Accrued employee compensation and benefits Current portion of long-term debt Total current liabilities Long-term debt Post-retirement benefits payable Other liabilities Total stockholders' equity Total liabilities and stockholders' equity Year-end (in millions) Cost of goods sold 325 401 1,416 1,309 85 127 10 40 1,951 1,787 $ 3,817 $ 3,634 $ $ 1,350 $ 1,351