Goodyear Corporation uses a process cost system in manufacturing its tires for the bicycle industry. Materials are added at the beginning of the process and conversion costs are applied evenly throughout the process. At the beginning of March, the work-in-process is 40% complete and at the end of the month, it is 60% complete. Spoilage is detected at the end of the process. Other data for the month include: 1,600 units 20,000 units 12,000 units 1.200 units 20% Beginning WIP inventory Units started Units placed in finished goods Ending WIP inventory Normal spoilage of units finished Conversion costs Cost of direct materials Beginning WIP costs Materials Conversion P604,800 600.000 60,000 60,480 Use weighted average method. The cost per equivalent unit of materials and conversion cost: P3150 OP36.00 OP30,60 P62.10