H20 Sports is a merchandiser of three different products. Beginning imventories for April are water skis, 40,000 units; tow ropes, 90,000 units; and life jackets, 150,000 units. Management believes inventory levels are too high for all three products and begins a new policy that ending inventory in any month should equal 10% of the budgeted sales units for the following month. Budgeted sales units for April. May, June, and July follow: Required Prepare a merchandise purchases budget (in units only) for cach prodher for the months of April, May, and June