12. (Simple Spending Multiplier) For each of the following values for the MPC, determine the size of the simple spending multiplier and the total change in real GDP demanded following a $10 billion decrease in spending:a. MPC = 0.9b. MPC = 0.8
12. (Simple Spending Multiplier) For each of the following values for the MPC, determine the size of the simple spending multiplier and the total change in real GDP demanded following a $10 billion decrease in spending:a. MPC = 0.9b. MPC = 0.8