Question 3 of 8 View Policies Show Attempt History Current Attempt in Progress > Sheridan Corporation incurred the following costs while manufacturing its product: Materials used in product $120,400 Advertising expense $45.000 Depreciation on plant 61,000 Property taxes on plant 19.050 Property taxes on warehouse 8,060 Delivery expense 21,400 Labour costs of assembly-line workers 110,900 Sales commissions 35,500 Factory supplies used 25,300 Salaries paid to sales clerks 50,300 5/10 HE Work in process inventory was $10,900 at January 1 and $14,100 at December 31. Finished goods inventory was $60,900 at January 1 and $51,300 at December 31. (a)