Materials use in product $120,000 Advertising expense $45,000 Depreciation on plant 60,000 Prperty taxes on plant 19,000 Property taxes on store 7,500 Delivery expense 21,000 Labor costs of assembly-line workers 110,000 Sales commissions 35,000 Factory supplies used 23,000 Saleries paid to sales clerks 50,000 Sales 600,000 Sales return and allowances 15,000 Work-in-process inventory was $22,000 at January 1 and $15,500 at December 31. Finished goods inventory was $65,000 at January 1 and $50,600 at December 31. (a) Compute cost of goods manufactured. (b) Compute cost of goods sold. (c) Prepare Income statement through gross profit.