4. Producing Sdn Bhd produces and sells three types of Machine, Machine A, Machine B and Machine C Machine A Machine B Machine C Sales price per unit RM 800 RM 600 RM 400 Cost of direct material (per unit) 100 40 20 Cost of direct labour (per unit) 100 40 20 Production volume (unit) 7,200 17,200 27,200 Direct labour hour 47,200 97,200 127,200 The company's accountant has identified the following activities, budgeted cost pool and activity cost driver: Activity Budgeted cost pool Activity cost driver Engineering RM 147,200 Engineering hours Machine setup RM 520,000 Number of setups Machine operation RM 1,720,000 Machine hours Packaging RM 97,200 Number of orders (package) Total RM 2,484,400 The unit and transaction of actual activities for each product are shown in the following table: Activity cost driver Level of activit/ Froduct A Product B Product C Total Engineering hours 7,000 9,720 11,940 28,660 Number of setup 400 120 120 640 Machine hours 72,000 120,000 140,000 332,000 Number of orders 7,200 12,000 14,000 33,200 Identify, a) Total overhead costs b) Cost Drivers identified c) Cost driver used for traditional costing method d) How many units produced for each product? e) How much is the prime cost for each product