Sherman has budgeted sales for the upcoming quarter as follows: April May June Units 1,350 1,650 1,500 The desired ending finished goods inventory for each month is one-half of next month's budgeted sales. Three pounds of direct material are required for each unit produced. If direct material costs $5 per pound, and must be paid for in the month of purchase, the budgeted direct materials purchases (in dollars) for April are: