In one month, Andrea can produce 80 apples or 80 bananas, while Tom can produce 60 apples or 100 bananas. Currently, Andrea is producing 40 apples and 40 bananas per month while Tom is making 30 apples and 50 bananas. If from now on, Andrea starts making nothing but apples and Tom makes nothing but bananas, and the two trade 35 apples for 45 bananas every month, what will be each person's gain from trade?

A) 10 bananas and 10 apples.

B) 15 bananas and 15 apples.

C) 5 bananas and 5 apples.

D) 5 bananas and 10 apples.

E) 10 bananas and 5 apples.