Exercise 14-6 (Algo) Classifying product and period costs LO C2 A car manufacturer incurs the following costs. Classify each cost as either a product or period cost. If a product cost, classify it as direct materials, direct labor, or factory overhead. If a period cost, classify it as a selling expense or a general and administrative expense. Costs Batteries for electric cars Office supplies used Wages to assembly workers Salesperson commissions Steel for cars Depreciation on office equipment Office building insurance used up Factory building insurance used up Steering wheels used in cars Wages to paint machine operators Cost Classification