give me the answer and calculation process

Exerdlse 21-5 DeWitt Industrics has adopted the fallowing production budget far the first manths af 2017. lanuaryMon February MonthUnits Units 10,240 March 8,340 April ,150 Each unit requires 3 pounds o raw materials costing $2 per pound. On December 31 2016 the ending raw materials i ve tory was 9,330 pounds. Management ants to have a raw materials inventory at the end o e month equal to 20% o next month's production Prepare a direct materials purchases budoet by month for the first quarter