Nguyen Plans to Sell 40,000 Units of Product No

Nguyen plans to sell 40,000 units of product no.75 in June,and each of these units requires five square feet of raw material.Pertinent data follow.
If the company purchases 201,000 square feet of raw material during the month,the estimated raw-material inventory on June 30 would be:

A) 11,000 square feet.
B) 13,000 square feet.
C) 23,000 square feet.
D) 25,000 square feet.
E) some other amount.