The Figure Below Shows Production Possibilities Curves for Tomatoes and Oranges

Multiple Choice

The figure below shows production possibilities curves for tomatoes and oranges in two prefectures in a country.

-Refer to the figure above.In Prefecture B,the opportunity cost of producing each additional pound of tomatoes ________.

A) increases as more tomatoes are produced
B) decreases as more tomatoes are produced
C) increases up to 1 billion pounds and then decreases after 1 billion pounds
D) decreases up to 1 billion pounds and then decreases after 1 billion pounds