12. Walborn Corporation uses the weighted-average method in its process costing system. The beginning work in process inventory in a particular department consisted of 11,000 units, 100 % complete with respect to materials cost and 30 % complete with respect to conversion costs. The total cost in the beginning work in process inventory was $22,400. A total of 45,000 units were transferred out of the department during the month. The costs per equivalent unit were computed to be $1.20 for materials and $3.40 for conversion costs The total cost of the units completed and transferred out of the department was O 207000 O 184600 O 153000 O none of the abover 26 3 Direct labor and manufacturing overhead combined are O prime costs conversion costs O none of the above O No answer text provided relevant range is the range where cost behavior can be predicted O True O False 28 3 When using the formula Y a +bx b- total fixed cost O True OFalse 39 29