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Answer:
total spending needs to increase by $0.4 billion
Explanation:
Calculation to determine how much total spending needs to increase or decrease
Using this formula
Increase or Decrease in total spending=Equilibrium income/Spending multiplier
Let plug in the formula
Increase or Decrease in total spending=$2 billion/5
Increase or Decrease in total spending=$0.4 billion
Therefore If the spending multiplier equals 5 and equilibrium income is $2 billion below potential GDP, then TOTAL SPENDING NEEDS TO INCREASE BY $0.4 BILLION to reach the potential real GDP level.