Al Khaleej Inc. needs 325 kgs of a material per month. It costs RO 100 to make and receive an order, and it takes 16 workdays to receive it. The annual holding cost is 15% of purchase price. The price RO 3 per kg. The company is operating 6 days per week. What is the best annual total holding and ordering cost in RO? Round-up to the nearest integer Select one: a. None is correct b. 593 c. 484 d. 502 e. 625