Conversion cost is defined as the sum of direct labor costs and manufacturing overhead costs. It is the manufacturing cost needed to convert raw materials to a product. From the information given above, the conversion cost is the summation of direct material costs, direct labor costs and factory overhead costs.
$3000,000 + 7,000,000 + 5,000,000 = 15,000,000
Therefore, the conversion cost is $15,000,000.
