Optimal Ordering Quantity Operations Management

At Tires R Us, a retailer of tires, demand for the AAA tire is constant at 100 tires per day with a standard deviation of 10. The cost of placing an order to replenish stock is $50, and the annual cost of holding is $8 per tire. Each tire costs Tires R US $55 and they retail them for 595. Stock is received 5 working days after an order has been placed. No backorders are allowed. Assume 300 working days per year. The company wants to achieve a 90% service level. Entry i: am A under lb: Mud normal m from ---uA} ----.. than. some " ,o .I .2 .1 .4 J .6 .T .I .9 0 I i '32 3i 2 g g 33322 33" i 2%? 'iiii E323 E ii 3 Question 40 (3 points) What is Tires R Us\" optimal ordering qua ntitv? Just enter the nearest whole number