Which statement BEST describes Charlie's choice?
A. Charlie was tired and ready to leave, so
one more ride appealed most to him.
B. Charlie does not like roller coasters.
C. Charlie decided the marginal benefit of
spending two tokens on the Ferris
Wheel exceeded the marginal cost of
giving up two rides.
D. Charlie decided the marginal benefit of
spending two tokens on the Ferris
Wheel did not exceed the marginal cost
of giving up two rides,