What is the budgeted purchase in April, given that Garcia Corporation forecasts sales of 6,100 units in April and 7,600 units in May, with beginning inventory on April 1 being 2,100 units and the company wanting to have 20% of next month's sales in inventory at the end of each month?

(a) 6,560 units
(b) 6,100 units
(c) 7,200 units