The following data were extracted from the costing records of Bersatu Hati Production for September 2022. Additional information: i. Salaries and wages consist of: \60 - production workers RM60,000 - production supervisors RM9,520 - Office administration ii. Petrol and oil must be divided between production and administration departments in the ratio of \\( 6: 4 \\). iii. Insurance includes RM10,500 for the sales office. iv. General expenses - \35 for production, \65 for non-production departments. Required: a) Compute prime cost and production overhead. (4 marks) b) Calculate the total product cost and period cost. (6 marks)