Help Save & Eat Submit Schrank Company 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 39.000 units, 29,000 unts, and 49.000 units, respectively. How many units must be purchased in September? Multiple Choice 21200 o 38.800 71.000 31000 29.000