In an economy such that: C = 200 + 0.80 (Y – T)           Md = 0.20 Y - 10 R I = 40 - 20 R                            Ms = 200 + BP X = 30 - 0.05 Y                       BP = X + K T = 100                                   K = 20 + 10R G = 150                                                                                               Determine the equilibrium levels of Y and R. If T increases to $150, what are the new Y and R?  What is the tax multiplier?

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