3. Assuming marginal propensity to consume is constant, complete the table below. Y C S AE=Y 0 -50 50 100 130 50 200 50 300 50 400 50 500 50 600 50 700 50 800 50 900 50 1000 50 Consider an economy that is described by the equations derived from the table in #1. a. find the equilibrium level of income b. find the value of the multiplier c. calculate the effects of a 500-peso decrease in investment. 4. The fundamental equations in an economy are given as: Consumption Function 200 + 0.8Yd Investment 300 Tax T 120 Government Expenditure G 200 Exports X 100 Imports M 50 Find the following. a. The equilibrium level of income b. The net exports