Wexler Inc. prepares monthly budgets. The current budget plans for a June ending merchandise inventory of 20,000 units. Company policy is to end each month with merchandise inventory equal to 15% of budgeted sales for the following month The company budgets sales of 170,000 units in July 300,000 units in August: 290,000 units in September, and 200,000 units in October Prepare the merchandise purchases budgets (in units) for the months of July August, and September