Chandler ltd. Estimates sales for the second quarter of 2014 will be as follows. 2 units of material are required for each unit of finished product. Production of July is estimated at 2,660 units to start building inventory for the fall sales period. Chandler's policy is to materials at the end of each month equal to 70% of the following month's production requirements. Raw materials are expected to cost $6 per unit throughout the period. Calculate the May raw materials purchases in dollars