Santa's Toy Company makes retro wooden toys. The company also maintains retail stores throughout the Southeastern United States. Classify each of the following costs as a product or period cost. a. Depreciation on delivery truck Product Cost = b. Rent on factory building Product Cost C. Cost of online advertising d. Cost of sandpaper used to sand wooden parts of toys Product Cost e. Depreciation on lathe used in the production of toys Product Cost f. Wages for sales staff in retail stores Period Cost + g. Cost of lease for retail space at the local malls h. Utility costs for factory building Period Cost + i. Cost of supplies used in the corporate office j. Insurance coverage for the corporate office Period Cost +