Sleeter Corporation makes one product and it provided the following information to help prepare the master budget for the next four months of operations: a. Budgeted unit sales for April, May, June, and July are 7,500, 11,900, 10,800, and 14,800 units, respectively. All sales are on credit. b. The ending finished goods inventory equals 30% of the following month's sales. C. The ending raw materials inventory equals 30% of the following month's raw materials production needs. Each unit of finished goods requires 6 pounds of raw materials. The raw materials cost $5.00 per pound. If 72,000 pounds of raw materials are required for production in June, then the budgeted cost of raw material purchases for May is closest to: Select one: a. $350,970 O b. $347.100 Oc. $455,100 d. $559,230