Use the Following Information to Answer the Question(s)below

Use the following information to answer the question(s) below:
Rearden Metal (RM) had $120 million in sales in 2019.Its cost of goods sold was $85 million,and its average inventory balance was $15 million.
-The industry average days of inventory is 75 days.The amount that Rearden would have to increase/decrease its inventory in order to match the industry average is closest to:

A) decrease inventory by $2.2 million.
B) increase inventory by $2.2 million.
C) increase inventory by $2.5 million.
D) increase inventory by $4.2 million.