Swank Products is involved in the production of camera parts and has the following inventory, carrying and storage costs. i. Orders must be placed in a multiple lot of 100 units. ii. Annual units usage is 500,000 units ill. The carrying cost is 20% of the purchase price. iv. The purchase price is RM2 per unit. v. The ordering cost is RM90 per order. vi. The desired safety stock is 10,000 units vii. The delivery time is 2 weeks (assume a 50-week year)