The Saudi economy can be characterized by Equation 1. EQUATION 1: C-500+0.5Yd Taxes = 600 Equilibrium Output = SR4,000 I+G 10) Refer to Equation 1. At equilibrium, the sum of investment and government purchases in Saudi is ASR 1,800. Y-C = I+G B) SR 1,750. Mode-224s C) SR 1,500. D) SR 3,500