Little Red Company manufactures wooden wagons.To manufacture a wagon, it takes 20 units of wood and 1 unit of steel.Scheduled production of wagons for the next two months is 1,000 and 1,200 units, respectively.Beginning inventory is 8,000 units of wood and 75 units of steel.The ending inventory of wood is planned to decrease 1,000 units each of the next two months, and the steel inventory is expected to increase 15 units each of the next two months.

How many units of steel are expected in the raw materials inventory at the end of the second month?

A.60 units

B.105 units

C.45 units

D.90 units