is trying to decide how many units of merchandise to order each month. The company's policy is to have 20% of the next month's sales in inventory at the end of each month. Projected sales for August, September, and October are 8,500 units, 11,250 units, and 5,750 units, respectively. How many units must be purchased in September?

12,400

10,700

7,400

10,150

12,350