Classifying Costs The following is a list of costs that were incurred in the production and sale of large commercial airplanes: Classify each cost as either a product cost or a period cost. Indicate whether each product cost is a direct materials cost, a direct labor cost, or a factory overhead cost. Indicate whether each period cost is a selling expense or an administrative expense. Costs a. Annual bonus paid to the chief financial officer of the company b. Annual fee to a celebrity to promote the aircraft c. Cost of electronic guidance system installed in the airplane cockpit d. Cost of the flight data recorder (the black box) for the airplane e. Cost of normal scrap from production of the airplane body f. Cost of small replicas of the airplane used to promote and market the airplane g. Cost of paving the headquarters employee parking lot h. Decals for cockpit door, the cost of which is immaterial to the cost of the final product i. Depreciation on factory equipment j. Hourly wages for janitorial staff for the factory k. Hydraulic pumps used in the airplane's flight control system 1. Instrument panel installed in the airplane cockpit m. Interior trim material used throughout the airplane cabin Classification K