21. Presented below are Truck Company's monthly manufacturing cost data related to its personal computer products (a) Taxes on factory building (b) Raw materials (c) Depreciation on manufacturing equip. (d) Wages for assembly line workers $820,000 66,000 210,000 340,000 Instructions Enter each cost item in the following table, placing an "X" under the appropriate headings. Product Costs Direct Materials Direct Labor Manufacturing Overhead