2. (5 points) Joe Birra needs to purchase malt for his microbrewery production. His supplier charges $35 per delivery (no matter how much is delivered) and \$1.20 per gallon. Joe's annual holding cost per unit is 35 percent of the price per gallon. Joe uses 250 gallons of malt per week. a. How many gallons should Joe order from his supplier with each order to minimize the sum of the ordering and holding costs? b. Suppose Joe orders the quantity from part (a) that minimizes the sum of the ordering and holding costs each time he places an order with the supplier. What is the annual cost of the EOQ expressed as a percentage of the annual purchase cost? c. Joe's supplier offers a 3 percent discount if Joe is willing to purchase 8,000 gallons or more. What would Joe's total annual cost (purchasing, ordering, and holding) be if he were to take advantage of the discount