A. This answer includes all of the selling and administrative costs. Selling and administrative costs are not inventoried under either absorption costing or variable costing.

B. This answer does not include the fixed factory overhead. Under absorption costing, all factory overheads are allocated to the units and inventoried.

C. This answer does not include any of the factory overhead. Under absorption costing all factory overheads are allocated to the units and inventoried.

D. Under the absorption costing method, all costs of production — variable and fixed — are included in inventory. Therefore, the inventoriable costs are: direct materials ($300,000), direct labor ($100,000), variable factory overhead ($50,000) and fixed factory overhead ($80,000). This is a total of $530,000.