B. Hammonds Corporation is trying to decide between two order plans for its inventory of a certain item. Irrespective of the plan, demand for the item is expected to be 1 000 units annually. Under plan A, order costs would be $40 per order and inventory holding costs (carrying cost) would be $100 per unit per annum. Under plan B, order costs would be $30 per order while holding costs would be 20% of the unit cost which is $480. Determine: i. the economic order quantity for each plan. total inventory cost for each plan. ii. (5 marks) (4 marks) (1 mark) 111. which plan would be better for Hammonds. (Total 20 marks)