Trufallo Oils produces truffle oil and accumulates costs for its single product using process costing. The following data have been compiled for the month of May. Conversion activity occurs uniformly throughout the production process. Work in process, May 1 - 10,000 units: Direct materials: 100% complete, cost of Conversion: 20% complete, cost of Balance in work in process, May 1 $22,000 4,500 $26,500 Units started during May Units completed during May and transferred out to finished goods inventory 100,000 80,000 Work in process, May 30: Direct materials: 100% complete Conversion: 33 1/3 % complete $198,000 Costs incurred during May: Direct materials Conversion costs Direct labour Applied manufacturing overhead Total conversion costs $ 52,800 105,600 $158,400 Required: Prepare schedules each of the following process-costing steps for the month of May. Use the weighted average method of process costing. 1. Analysis of physical flow of units. (1.5 marks) 2. Calculation of equivalent units. (1.5 marks) 3. Computation of unit costs. (3 marks) 4. Analysis of total costs. (4 marks)