In a Mixed Open Economy, the Equilibrium GDP Is Determined $S _ { \mathrm { a } } + M + T = \mathrm { I } _ { \mathrm { g } } + X + G$

Multiple Choice

In a mixed open economy, the equilibrium GDP is determined at that point where

A) $S _ { \mathrm { a } } + M + T = \mathrm { I } _ { \mathrm { g } } + X + G$
B) the 45-degree line and the saving schedule intersect.
C) $S _ { a } + X + G = I _ { g } + T$
D) $S _ { a } + I _ { g } + X = G + T$