Oriole industries has adopted the following production budset for the first 4 months of 2022 Each unit requires 3 pounds of raw materials costing $4 per pound On December 31,2021 , the ending raw materials inventory was 6,240 pounds. Management wants to have a raw materials imventory at the end of the month equal to 20% of noxt month's production requirements. Prepare a direct materials purchases budget by month for the first quarter