As an Inventory Manager,you Must Decide on the Order Quantity

As an inventory manager,you must decide on the order quantity for an item.Its annual demand is 300 units.Ordering cost is $20 each time an order is placed,and the holding cost is 30 percent of the per-unit price.Your supplier provided the following price schedule. What ordering-quantity policy do you recommend?

A) Fewer than or equal to 50 units
B) Greater than 50 units but fewer than or equal to 149
C) Greater than 149 units but fewer than or equal to 199 units
D) More than 199 units