find current year net profit margin

Category Prioryear Currentyear Accounts payable 41,40045,000 Accounts receivable 115,200122,400 Accruals 16,20013,500 Additional paid in capital 200,000216,660 \begin{tabular}{lcc} Cash & ??? & ?? \\ \hline Common Stock @ par value & 37,600 & 42,000 \\ \hline COGS & & \\ \hline \end{tabular} Depreciation expense 21,60023,053,00 Interest expense 16,20016,261.00 \begin{tabular}{lrr} \hline Inventories & 111,600 & 115,200 \\ \hline Long-term debt & 135,000 & 139,308.00 \\ \hline \end{tabular} Net fixed assets 376,032.00399,600 Notes payable 59,40064,800 Operating expenses (excl. depr) 50,40069,449.00 Retained earnings 122,400136,800 Sales 255,600339,578,00 Taxes9,90018,570.00