3.8 A retailer sells 390,000 units of a product per year. The manufacturer sells the product for $30 per unit in packages of 75 units. The manufacturer charges a fee of $115 per order. The annual carrying cost is $11 per package. The return on alternative cash investments is 14%. What is the company's optimal annual number of orders? (Round intermediary results to the near- est thousandth. Round the final result to the nearest integer.) 86 orders. B 122 orders. C 161 orders. D 744 orders. (3 points)