Aleksandra has opened a new shop selling Women hats from Europe. The shop will be open 360 days a year. Placing an order has a substantial cost in preparing the necessary import documentation and logistic arrangements. The average cost of an order is $155. Because the hats are individually packaged the annual holding cost is estimated to be 18% of the purchase price per hat. Aleksandra has forecasted sales to be 6000 hats per year. The purchase price per hat is $25.00. Polska Hats in Europe has offered Aleksandra 6 ranges of discounts based on volume purchase per order. Level 1: For orders between 0 - 499 the discount is zero Level 2. Level 3. For orders between 500- 799 the discount is 10% For orders between 800 - 999 the discount is 15% For orders 1000 - 2,999 the discount is 20% Level 4. Level 5. For orders 3000-5,999 the discount is 25% Level 6. For orders 6,000 + the discount is 27% For this discount model which is the optimum EOQ Select one: a. 642.9 Hats b. 1500 Hats c. 600 Hats d. 677.7 Hats