Exceptional Manufacturing Co. wants to classify costs for the product produced at its facility. The company produces only one product at the facility and operates continually. The cost categories are:

Product cost

Prime cost

Conversion cost

Period cost

The following costs are found in the accounting records:

a. Quality control inspection wages

b. Raw material purchases

c. Sales commissions

d. Factory depreciation

e. Assembly wages

Required:

Assign each of the above costs to the most appropriate cost categories. Note costs can belong to more than one category.