Please answer A, B, and C. Include formulas and all calculations.A : Calculate equilibrium GDPB : Calculate saving at this level of GDPC : Calculate spending multiplier

1. Consider an economy in which C = 1000 + 0.75Y', I = 200, G = 300, T = 300, and (X-M) = 0. A. Calculate equilibrium GDP. (3 points) B. Calculate saving at this level of GDP. Hint: Use the equation for leakages. (4 points)