option A is wrong, which is the correct answer?

Quick Stop Comer convenience store sells 1440 cases of Stein beer per year. It costs $18 to process an order of beers. The cost/price of Stein beer is $32 per case. The shipment of all ordered beer cases arrives three days after the order is placed. The annual unit holding cost is fifteen percent of the cost/price of the beer per case. Quick Stop Comer convenience store opens 360 days a year. Which of the following statements is correct for the optimal inventory policy that minimizes the total annual Inventory costs? The inventory cycle time is 25 days. The economic order quantity is 108 cases The cyce Inventory level is 52 cases The company needs to place an order when the beer inventory level drops to 10 cases