-Refer to the Above Figure

-Refer to the above figure. Assume that only two goods can be produced in the economy. Which of the following statements is TRUE?

A) Points a, b, and c are all obtainable points of production.
B) Points a and b are obtainable points of production.
C) Points b and c are obtainable points of production.
D) Only point b is an obtainable and efficient point of production.