Murphy Company plans to produce 50,000 units in March and 60,000 units in April. Each unit requires 6 pounds of direct materials that can be purchased for $3.50 per pound. At the beginning of March there are 70,000 pounds of direct materials on hand. Murphy desires an ending inventory of direct materials equal to 20 percent of the next month's direct materials needs. What is the expected cost of direct materials purchases for March?