a manufacturer reports the following costs to produce 15,000 units in its first year of operations: direct materials, $15 per unit, direct labor, $11 per unit, variable overhead, $150,000, and fixed overhead, $210,000. of the 15,000 units produced, 13,700 were sold, and 1,300 remain in inventory at year-end. under variable costing, the value of the inventory is: