a Kimbeth Manufacturing uses a process cost system to manufacture Dust Density Sensors for the mining industry. The following information pertains to operations for the month of May. Units BWIP, May 1 16,000 Units started 100,000 Units completed 92,000 The beginning inventory was 60% complete for materials and 20% complete for conversion costs. The ending inventory was 90% complete for materials and 40% complete for conversion costs. Costs pertaining to the month of May are as follows: Beginning inventory costs are materials, 854,560; direct labor, $20,320, and overhead, 515,240, Costs incurred during May are materials used, $468,000; direct labor, $182,880; and overhead, 5391,160. Using the weighted average method, the total cost of the units in the ending work-in-process inventory at May 31 is O $154,800 5155,328 5153.168 5156,960