David, Inc. is preparing its master budget for the second quarter. The following sales and production data have been forecasted: April: 400 May:500 June: 520 July: 480 August: 540 Finished goods inventory on March 31: 120 units Raw materials inventory on March 31: 450 pounds Desired ending inventory each month: Finished goods:30% of next month’s sales Raw materials:25% of next month’s production needs Number of pounds of raw material required per finished unit: 4 lb. Number of direct labor hours to produce each unit: 3 hours Labor rate per hour: $10 (a) How many units should be produced during April and May? (b) How many pounds of raw materials should be purchased in April? (c) What is the budgeted labor cost for April?