Categorize the following costs into product and direct material, product and direct labor, product and manufacturing overhead, period and selling and marketing expense and period and general and admin expense. wages of salespersons are salaries of machine operators are depreciation on factory equipment is a insurance on factory equipment is a denim for manufacuring of jeans ceo's salary is a factory janitors salary is a property insurance on ceo office is a a. period and selling and marketing costs b. product and direct labor costs c. product and manufacturing overhead costs d. product and direct material costs e. period and general and admininstrative costs