Following is the balance sheet of Rundle Company for 2018: RUNDLE COMPANY Balance sheet Assets Cash Marketable securities Accounts receivable Inventory Property and equipment Accumulated depreciation Total assets Liabilities and Stockholders' Equity Accounts payable Current notes payable Mortgage payable Bonds payable Common stock Retained earnings Total liabilities and stockholders' equity $ 15,450 8,300 13,040 11,050 171,500 (12,100) $207,240 $ 8,090 3,640 4,800 21,000 113,300 56,410 $207,240 The average number of common stock shares outstanding during 2018 was 870 shares. Net income for the year was $14,000. Required Compute each of the following: (Round your answers to 2 decimal places.) per share a. Current ratio b. Earnings per share C. Quick (acid-test) ratio d. Return on investment e. Return on equity f. Debt to equity ratio