Moe Divides His Time Between Studying Physics and Studying Economics

Multiple Choice

Moe divides his time between studying Physics and studying Economics. His production possibilities curve for his final grade in each class is shown below. Both of Moe's professors require at least a 65 to pass and a 90 to earn an A. Which of the following is true?

A) Moe can pass both classes.
B) Moe can pass economics, but only if he fails physics.
C) Moe can pass physics, but only if he fails economics.
D) Moe could earn an A in economics and still pass physics.