The following information is available for Robstown Corporation for 20Y8: Inventories January 1 December 31 Materials $78,250 $93,750 Work in process 109,800 95,700 Finished goods 112,000 108,800 December 31 Advertising expense $ 68,800 Depreciation expense-office equipment 21,750 Depreciation expense-factory equipment 14,420 Direct labor 185,700 Heat, light, and power-factory 5,950 Indirect labor 24,700 Materials purchased 124,600 Office salaries expense 76,400 Property taxes-factory 4,120 Property taxes-office building 12,300 Rent expense-factory 6,650 Sales 862,500 Sales salaries expense 135,500 Supplies-factory 3,500 Miscellaneous costs-factory 5,300 Required: a. Prepare the 20Y8 statement of cost of goods manufactured. b. Prepare the 20Y8 income statement.