December 31, 2020, totaled $600,000. HAMES INC. Balance Sheets December 31, 2020 and 2019 Assets Cash Accounts receivable Merchandise inventory Total current assets Land Plant and equipment Less: Accumulated depreciation Total assets Liabilities Short-term debt Accounts payable Other accrued liabilities Total current liabilities Long-term debt Total liabilities 2020 $ 24,000 78,000 103,000 $205,000 50,000 125,000 (65,000) $315,000 $ 18,000 66,000 20,000 $ 104,000 22,000 $126,000 2019 $ 19,000 72,000 99,000 $ 190,000 40,000 110,000 (60,000) $280,000 $ 17,000 75,000 18,000 $110,000 30,000 $140,000 Stockholders' Equity Common stock, no par, 100,000 shares authorized 40,000 and 25,000 shares issued, respectively Retained earnings: Beginning balance Net income for the year Dividends for the year Ending balance Total stockholders' equity $ 74,000 $ 59,000 $ 81,000 54,000 (20,000) $115,000 $ 85,000 1,000 (5,000) $ 81,000 $140,000 $280,000 Total liabilities and stockholders' equity $ 189,000 $315,000 Required: a. Calculate ROI for 2020. (Do not round intermediate calculations. Round your final answer to 2 decimal places.) b. Calculate ROE for 2020. (Round your answer to 1 decimal place.) c. Calculate working capital at December 31, 2020. d. Calculate the current ratio at December 31, 2020. (Round your answer to 2 decimal places.) e. Calculate the acid-test ratio at December 31, 2020. (Round your answer to 2 decimal places.)