In the equation Y = C + I + G, a. only I is an exogenous variable det

In the equation Y = C + I + G,

a. only I is an exogenous variable determined by factors outside the model.
b. only G is an exogenous variable determined by factors outside the model.
c. C is an endogenous variable determined by factors inside the model.
d. I and G are exogenous variables determined by factors outside the model.
e. A, b, and c

ANSWER

C