Given the following financial data, calculate the following (show all calculations): 1. Gross profit/margin 2. Operating income 3. Earnings before taxes 4. Income taxes 5. Net income Tax rate 20% Cost of Goods Sold $345,750 Cash $112,340 Depreciation expense $46,900 Accounts receivable $85,550 Interest expense $37,000 Retained earnings $215,760 Sales $780,890 Selling, Gen, Admin $175,000 expenses Dividend per share $1.25 Accounts payable $64,540 Retained earnings $457,800