Budgeted information for Buckley, Ltd. is as follows: April May June Sales (units) 12,000 18,000 14,000 Produc tion (units) 16,000 14,000 17,000 Each finished unit requires two pounds of material. The inventory of materials at the end of each month should equal 16% of the following month's production needs. Purchases of raw materials for May should be: