A department adds raw materials to a process at the beginning of the process and incursconversion costs uniformly throughout the process. For the month of January, there wereno units in the beginning work in process inventory; 60,000 units were started intoproduction in January; and there were 15,000 units that were 40% complete in theending work in process inventory at the end of January. What were the equivalent unitsof production for materials for the month of January?