c) Nina gong gong Enterprise has estimated that it requires 50,000 units of tape as an inventory for the year 2018. One unit of tape will be purchased at RM2.20. The supplier will deliver the order 10 days after an order has been placed. Costs per order are estimated at RM100 and carrying cost will be 20 percent of purchase price. Usually the company carries 2,000 units of safety stock. The company works 360 days per year