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Electra Corp produces steel file cabinet for corporate usage. For the year ended 2020 the business had incurred the following cost. No. Cost RM 1. Jewellery stone materials 68,200 2. Labour in machining department 15,400 3. Storage cost 3,200 4. Audit services fees 10,400 5. Discount allowed. 850 6. Interest on mortage 1,250 7. Salary of company director 24,000 8. Salesmen commission 7,650 9. Advertising 3,250 10. Depreciation - furniture (straight line) 16,400 11. Loose tools 800 (a) Classify the cost incurred by the corporation into its cost behavior and cost functions using the following format: Cost Behavior Function 1. purchase fabric variables production (21 marks) (b) You are required to advice the managers of the employee on controllability of a cost. Differentiate controllable and uncontrollable cost. Provide ONE (1) example for each type of cost. (4 marks)