question content areaforemost corporation manufactures boxes. the estimated numbers of boxes sold for the first three months of the current year are as follows:monthsalesjanuary3,000february4,200march3,900finished goods inventory at the end of december was 900 units. ending finished goods inventory is equal to 20% of the next month's sales. foremost corporation expects to sell the boxes for $5 each. april sales is projected at 4,500 boxes.how many boxes should be produced in january?