R.C. Barker makes purchasing decisions for his company. One product that he buys costs $50 per unit when the order quantity is less than 500. When the quantity ordered is 500 or more, the price per unit drops to $48. The ordering cost is $30 per order and the armual demand is 7,500 units. The holding cost is 10 percent of the purchase cost. If R.C. orders 500 units each time he places an order, what would the total armual holding cost be?
A) $450
B) $1,250
C) $1,200
D) $2,400
E) none of the above