please explain calculations and where numbwrs came from

7 Check my work Walker Company prepares monthly budgets. Company policy is to end each month with merchandise Inventory equal to 15% of budgeted unit sales for the following month. Budgeted sales and merchandise purchases for the next three months follow. Beginning inventory on July 1 is 30,000 units. The company budgets sales of 200,000 units in October. The merchandise cost per unit is $2. ok July August September Budgeted sales units 200,000 310,000 310,000 Prepare the merchandise purchases but gets for the months of July, August, and September. WALKER COMPANY Merchandise Purchases Budget July August cos September Next period budgeted sales units Ratio of inventory to future sales Total required units Units to purchase Cost per unit Cost of merchandise purchases