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 $25,500$ units. The company budgets sales of $180,000$ units in October. The merchandise cost per unit is $$3.$

$\backslash$table$[[$Budgeted sales units,July,August,September$],[$Units to purchase,$170,000,300,000,320,000],[,189,500,303,000,299,000]]$

Prepare the merchandise purchases budgets for the months of July, August, and September.

$\backslash$table$[[$WALKER COMPANY,$],[,,,],[,,$July,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,,,$]]$