The balance sheets for Plasma Screens Corporation and additional information are provided below. PLASMA SCREENS CORPORATION Balance Sheets Assets Current assets: December 31, 2021 and 2020 2021 2020 Cash Accounts receivable Inventory Investments Long-term assets: Land Equipment Less: Accumulated depreciation Total assets Liabilities and Stockholders' Equity Current liabilities: Accounts payable Interest payable Income tax payable Long-term liabilities: Notes payable $ 116,800 $ 120,000 78,000 95,000 92,000 80,000 4,000 2,000 480,000 480,000 790,000 670,000 (428,000) (268,000) $1,135,800 $1,176,000 $ 99,000 $ 85,000 12,000 6,000 8,000 5,000 100,000 200,000 Common stock 700,000 700,000 Retained earnings 222,800 174,000 Total liabilities and stockholders' equity $1,135,800 $1,176,000 Stockholders' equity: Additional information for 2021: 1. Net income is $48,800. 2. Sales on account are $1,521,500. 3. Cost of goods sold is $1,163,750. Required: 1. Calculate the following profitability ratios for 2021: (Round your answers to 1 decimal place.) Profitability Ratios a. Gross profit ratio % b. Return on assets % c. Profit margin d. Asset turnover e. Return on equity % times %