4. TC Corporation is a biotech company based in Milpitas. It makes a cancer-treatment drug in a single processing department. Direct materials are added at the start of the process. Conversion costs are added evenly during the process. Bio Doc uses the weightedaverage method of process costing. The following information for July 2011 is available. Physical Units Work in process, 8500 a 8500 Equivalent Units 1700 July 1 Started during July 35000 Completed and 33000 33000 33000 transferred out during July Work in process, July 31 10500 b 10500 6300 a. Degree of completion: direct materials, 100%; conversion costs, 20%. b. Degree of completion: direct materials, 100%; conversion costs, 60%. Total cost for July: Work in process, beginning Direct materials 63100 Conversion costs 45510 108610 Direct materials added 284900 during July Conversion costs added 485040 during July Total costs to account for 878550 Required: Under FIFO METHOD- i. Calculate cost per equivalent unit for direct materials and conversion costs. ii. Summarize total costs to account for, and assign total costs to units completed (and transferred out) and to units in ending work in process.