HP orders 12,000 hard disk drives per year. The carrying cost per drive is $15 per year and the fixed order cost is $800. To prevent stock-outs, HP has established a safety stock of 500 drives. Delivery of new drives typically takes 2 days. Attempt 1/3 for 10 pts. What is the optimal order size? Attempt 1/3 for 10 pts. The company currently has a stock of 905 drives. In how many days should the company place the next order? Fractional days are ok