Keggler's Supply is a merchandiser of three different products. Beginning inventories for March are footwear, 21,000 the hins a new policy that ending inventory in any month should equal 28% of the budgeted sales units for the foliowing month. Budgeted sales units for March, April, May, and June follow. Required: 1. Prepare a merchandise purchases budget (in units only) for each product for each of the months of March, April, and May