Foremost Corporation manufactures boxes. The estimated numbers of boxes sold for the first three months of the current year are as follows:

Month	Sales
January	3,000
February	4,200
March	3,900

Finished 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. What is the expected sales revenue for March?

a.$15,000

b.$19,500

c.$4,500

d.$21,000

How many boxes should be produced in February?

a.4,200 boxes

b.3,900 boxes

c.4,140 boxes

d.4,260 boxes