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Question 6. Jade Metals Inc. (JM) is a supplier of a rare earth metal based component to various niches industries. It sources the metal (in sheets) from an international supplier. Their purchasing department is trying to formulate an optimal procurement policy. It needs 200,000 sheets of this metal annually, and the supplier insists on a minimum order quantity of 1,000 sheets. It also offers a discount schedule as under: Order Quantity Unit Price (per sheet) 1,000 - 9,999 $2.35 10,000 - 29,999 $2.20 30,000+ $2.15 JM estimates that it costs $300 to process each order, and its holding cost is set at 15%. Determined the optimal order quantity and total cost (including purchasing cost)