urgent please

Encik Ahmad, a manager for Ultimate Sdn Bhd (USB) is currently looking into the inventory policy for materials AQ33, one of the chemicals used in the production process. The chemical is purchased in a bottle for RM59 each. The firm uses 6,750 canisters per year. The controller estimates that it costs RM160 to place and receive a typical order of AQ33. The annual cost of holding AQ33 is RM6 per canister. The lead time is 1 month Required 1. Using the EOQ formula, determine the optimal order quantity, (2 marks) 2. What is the total annual cost of ordering and holding C20 at the economic order quantity? (5 marks) 3. What is the reorder point