For product W, a firm has an annual holding cost that is 15% of the item cost, an ordering cost of $100 per order, and annual demand of 15,000 units (operating 50 weeks per year).The following price schedule applies to the firm's purchases. The lead time is 1 week. (3 points) Please show work

Units Ordered	Price Per Unit
1 - 250	$33.00
251 - 500	$32.00
501 - 699	$31.00
700	$30.00

1. Determine the most cost-effective ordering quantity
2. What is the total cost for the order quantity determined in a).
3. Summarize the inventory policy based on your calculation results