Hello: I need help with the following questions:

Question 1:

. With a proportional tax rate of 20% and MP0 = .80, the MPS out of disposable is . With a proportional tax rate of 20% and MP0 = .80, the MP0 out of disposable icome (MP0) is _ Theoretically, Keynesian economists assume economy to be at a. full-employment equilibrium with flexible prices b. less than full-employment equilibrium with fixed prices c. less than full-employment equilibrium with flexible prices d. full-employment equilibrium with flexible prices