The target ending inventory of finished products is as follows. Two units of materials are required for each unit of finished product. Production for July is estimated at 2,810 units to start building inventory for the fall sales period. Cullumber's policy is to have an inventory of raw materials at the end of each month the following month's production requirements. Raw materials are expected to cost $4 per unit throughout the period. Calculate the May raw materials purchases in dollars. Raw material purchases cost $