Mahler Company had the comparative balance sheets that follow with the additional information following that is available to perform certain financial statement analysis for the company Sales were $640,000, of which 80% were on Credit Cost of goods sold is 60% of sales. Net income was $40,000 for the year. Average common shares of stock outstanding during the year we 14,500 MAHLER COMPANY COMPARATIVE BALANCE SHEETS FOR YEARS ENDING DECEMBER 31, 20x3 AND 20X4 12/31/X4 12/31/X3 Cash $ 23.500 5 12.400 Short Term Investments 40,000 30.000 Accounts Receivable (Net) 85,000 94.000 Inventory 62.400 58,300 Prepaid Insurance 1400 950 Land 15.000 9.000 Buildings 124 000 165 000 Accumulated Depreciation Buidings 70.000) 85,000) Equment 223.500 193.400 Accumud Depreciation E 1 04.600 3600) Patents 9,200 12,500 Trademark 15,200 Total Assets 424,600 $ 396,950 Accounts Payable 12,500 $ 18,700 Wages and Salaries Payable 7.200 6,100 Income Taxes Payable 20,600 15,700 Short Term Notes Payable 39,000 51,000 Mortgage Payable 54,000 60,000 Bonds Payable 100,000 50,000 Common Stock, 55 par value 75,000 65,000 Additional Paid In Capital, Common Stock 49.000 39.000 Retained Earnings 75,800 91,450 Treasury Stock (1 000 shares) 8,500) Total Liabilities and Stockholders' Equity S 424 600 5 396.950 The return on common stockholders' equity for the company for 20X4 is: Select one: O a 20.69% O b. 35.09%. O c. 20.91% d. 57.14%