a$)$ Manipa Berhad plans to start selling new products. The company is planning to use an economic order quantity model to establish the reorder quantity for X materials. The company does not plan to hold any stock for the new product. The purchasing price of the material is RM$70$ per unit, ordering cost RMIOO per order and the total unit sold is $80000$ units per year with the holding cost of $6\%$ of the purchase price.