Indicate whether each of the following should be considered a product cost or a period cost. If you identify the item as a product cost, also indicate whether it is a direct or an indirect cost. For instance, the answer to the Example item is "indirect product cost." Example: Property taxes on factory building. a. Cost of disposal of hazardous waste materials to a chemical plant. b. Amounts paid by a mobile home manufacturer to a subcontractor who installs plumbing in each mobile home. c. Depreciation on sales showroom fixtures. d. Salaries of security guards in an administrative office building. A B Exercise 16.3 \begin{tabular}{|l|l|} \hline a. & \\ \hline b. & \\ \hline c. & \\ \hline d. & \\ \hline e. & \\ \hline f. & \\ \hline g. & \\ \hline h. & \\ \hline \end{tabular} e. Salaries of factory security guards. f. Salaries of office workers in the credit department. g. Depreciation on the raw materials warehouse. h. Income taxes on a profitable manufacturing company