Exercise 21-5 Your answer is partially correct. Try again. DeWitt Industries has adopted the following production budget for the first 4 months of 2017 Month Units Units 10,390 March 8,290 April Danuary 5,370 4,420 February Each unit requires 4 pounds of raw materials costing $2 per pound. On December 31, 2016, the ending raw materials inventory was 9,330 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