QUESTION 4 (25 MARKS) A. KCA Bhd uses materials X and Y in its manufacturing. The details of the materials are as follows: Maximum usage 800 kilograms per week Average usage 3,600 kilograms per week Minimum usage 400 kilograms per week Re-order quantity for: X 1,200 kg Y 2,200 kg Lead time for: X 6 to 8 weeks Y 4 to 6 weeks Required: i. Calculate the following for each material X and Y: (a) Re-order level (b) Minimum level (c) Maximum level (d) Average stock level B. Briefly explain FIVE (5) advantages of Activity Based Costing. (3 marks) (4 marks) (5 marks) (3 marks) (5 marks) C. Total Quality Management is a management philosophy which attempts to eliminate all defects, waste and activities that do not add value to customers. Required: i. Identify FIVE (5) key elements of Total Quality Management. (5 marks)