Country X imported approximately $1.44 billion of goods in 1996. If Country X imported $360 million of goods in the first two months of 1997 and continued to import goods at the same rate for the rest of the year, by how much would Country Xs 1997 imports exceed those of 1996?  Choose the correct choice from the following.
A) $ 24 million B) $ 120 million C) $ 644 million D) $ 540 million E) $ 720 million

Rationale: "convert units to millions as answer is in millions 1996 imports = $ 1.44 bill = $ 1440 mill i . e . 1440 / 12 = $ 120 mill / month 1997 imports = $ 360 mill / 2 month i . e . $ 180 mill / month difference / month = 180 - 120 = 60 difference / year = $ 60 mill * 12 = $ 720 mill answer : e"
Answer: E