QUESTION 4 (11.5 MARKS) Jade Sdn. Bhd. (JSB) producing and selling garden decoration in the Lembah Kelang area. the following are information cost incurred to produce decoration stone chair for the year 2020: ITEM RM Office fire insurance 12,000 Production supervisor salaries 9,600 Assembly line wages 60,000 lubricant oil for machine 3,000 Sales commission 24,000 Advertising expenses 6,000 Factory building rental 24,000 Depreciation salesperson vehicle 18,000 Accountant salaries 60,000 Factory utility expenses 70,000 workers' wages stone chair installation 90,000 Factory supply expenses 9.000 Freight out 25,000 Direct material cost 230,000 Health insurance for top management 13,000 REQUIRED: Calculate a) Prime Cost (2 marks) b) Conversion Cost (3.5 marks) c) Product Cost (2 marks) d) Period cost (4 marks)