Requirement 2. For a manufacturing company, identify the following as either an inventoriable product cost or a period cost. If it is an inventoriable product cost classify it as direct materials, direct labor, or manufacturing overhead. (If the cost is a period cost, leave the second column blank. a. Depreciation on plant equipment b. Depreciation on salespeoples' automobiles c. Insurance on plant building d. Marketing manager's salary e. Cost of major components of the finished product f. Assembly-line workers'wages Inventoriable product cost Period cost Inventoriable product cost Manufacturing overhead Manufacturing overhead