Which of the following is an indirect cost of manufacturing a table made of wood and glass for a firm that manufactures furniture? Select one: O a. The cost of rent on the factory where the table is manufactured. O b. The cost of the wood in the table. O c. The cost of the glass in the table. O d. The cost of the labor used to assemble the table. Product costs are: Select one: O a. inventoried until the units are sold. b. considered current liabilities until paid. C. expensed on the income statement when incurred. O d. treated as an asset and depreciated