Kim Manufacturing uses a process cost system to manufacture Dust Density Sensors for the mining industry. The followinginformationpertainsto operations for the month of May. The beginning inventory was 20% complete for materials and 60% complete for conversion costs. The ending inventory was 40% complete for materials and 90% complete for conversion costs. Costs pertaining to the month of May are as follows: - Beginning inventory costs are materials, $20,280; direct labor, \$20,320; and factory overhead, $15,240. - Costs incurred during May are materials used, $467,680; direct labor, $182,800; and factory overhead, $389,200. [1] ( Refers to Fact Pattern 1 ) Using the FIFO method, the equivalent cost per unit of materials for May is A. $4.80 B. $4.60 C. $4.50 D. $4.75 [2] ( Refers to Fact Pattern 1 ) Using the FIFO method, the total cost of units in the ending work-in-process inventory at May 31 is (Round cost per equivalent unit to the nearest penny) A. $153,168 B. $161,640 C. $164,400 D. $156,960 [3] ( Refers to Fact Pattern 1 ) Using the weighted-average method, the total cost of the units in the ending work-in-process inventory at May 31 is (Round cost per equivalent unit to the nearest penny) A. $156,960 B. $161,640 C. $153,168 D. $164,400