The simple economy of Altria shown in the table below has no government or taxes and no international trade. Its investment is autonomous and its MPC is constant. a. Complete the table below. Remember to use a minus (-) sign to indicate negative values. Y 0 100 150 200 300 450 600 750 S | 150 150 AE b. The value of expenditures equilibrium is $ c. The value of the multiplier is Round your answer to 1 decimal place