Ricardo, Inc., is preparing its master budget for the second quarter. The following sales and production data have been forecasted:

	April	May	June	July	August
Unit sales	400	500	520	480	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 lbs. How many pounds of raw materials should be purchased in April?