16 35 Ceo salary is a O product cost O period cost O none of the above O No answer text provided. 17 39 depreciation on the factory building is a O selling cost O direct product cost O Indirect product cost O none of the above 353 18 3 depreciation on the factory building is a O selling cost O direct product cost O indirect product cost Onone of the above 18 3 material used to build an automobile is classified as O direct, product cost O indirect product cost O period cost, administrative O none of the above