SANDHILL CO. Balance sheets December 31 (in thousands) 20222021 Current assets Cash and cash equivalents Accounts receivable (net) Inventory Prepaid expenses Total current assets \begin{tabular}{rr} $330 & $360 \\ 530 & 460 \\ 640 & 570 \\ 130 & 160 \\ \hline 1,630 & 1,550 \end{tabular} Property, plant, and equipment (net) 410380 Investments 7070 Intangibles and other assets Total assets Current liabilities Long-term liabilities 660560 Stockholders' equity-common \begin{tabular}{ll} 1,100 & 1,100 \\ \hline \end{tabular} SANDHILL CO. Income Statements For the Years Ended December 31 (in thousands) \begin{tabular}{lll|} & 2022 & 2021 \\ Sales revenue & $,980 & $3,640 \\ \hline \end{tabular} Costs and expenses \begin{tabular}{lrr} Cost of goods sold & 1,030 & 950 \\ Selling \& administrative expenses & 2,400 & 2,330 \\ Interest expense & 10 & 20 \\ \hline Total costs and expenses & 3,440 & 3,300 \\ \hline Income before income taxes & 540 & 340 \\ Income tax expense & 216 & 136 \\ Net income & $324 & $204 \\ \hline \end{tabular} (a) Currentratio. (b) Inventory turnover. (Inventory on December 31, 2020, was $450.) (c) Profitmargin. (d) Return on assets. (Assets on December 31,2020 , were $2,750 ) (e) Return on common stockholders' equity. (Equity on December 31, 2020, was $960.) (f) Debt to assets ratio. (g) Times interest earned. (a) Current ratio. 1 1821 (b) Irventory turnover- (c) Profit margin. (d) Return on assets