The following information refers to three questions. A company orders a part from one of its suppliers in order to produce its final finished products. The company operates 300 days a year. Daily usage of the part is 300 parts. The company uses the part every day. The annual holding cost is 25 percent of the part's value. The part's value is $8 per unit. The fixed ordering cost is $100 per order. If the order size is 3,000 parts, how many orders per year will there be? 15 10 30 20