Joe's Mart policy is to have 20% of the next month's sales on hand at the end of the current month. Projected sales for August, September, and October are 35,000 units, 30,000 units, and 40,000 units, respectively. How many units must be purchased in September? Multiple Choice 24,000. O 25.000 O 32,000. 38,000. O O 40,000 40,000