maddie1081 maddie1081 30-05-2023 Business contestada Question 3. The following equations describe an economy. Y=C+I+G. C-50+0.75(Y-T). I-150-10r. (M/P)d-Y-50r. G=250. T=200. M=3,000. P=4. a.) (4 Points) Derive the IS curve equation. b.) (4 Points) Deriv