Information relating to raw material Y is as follows: Annual usage 48,000 units Purchase price $80 per unit Ordering costs $120 per order Annual holding costs 10% of the purchase price Required: (a) Calculate: (i) the EOQ for raw material Y (ii) the total annual cost of purchasing, ordering and holding inventory of raw material Y. (b) The supplier has offered Point a discount of 1% on the purchase price if each order placed is for 2,000 units. Required: Calculate the total annual saving to Point of accepting this offer. (c) List FOUR examples of holding costs.