Dallas Industries has adopted the following production budget for the first 4 months of 2014. Month Units Month January 10,500 March 5,390 February 8,160 April 4,130 Each unit requires 5 pounds of raw materials costing $4 per pound. On December 31, 2013, the ending raw materials Inventory was 9,380 pounds. Management wants to have a raw materials inventory at the end of the month equal to 20% of next month?s production requirements. Prepare a direct materials purchases budget by month for the first quarter