Answer:
$6.25 billion
Step-by-step explanation:
Calculation for how much would government spending have to rise
First step is to calculate the spending multiplier using this formula
Spending multiplier=1/(1-MPC)
Let plug in the formula
Spending multiplier=1/(1-0.75)
Spending multiplier=4
Now let calculate how much would government spending have to rise
Using this formula
Increase in government spending =Change in GDP/Spending multiplier
Let plug in the formula
Increase in government spending=$25 billion/4
Increase in government spending=$6.25 billion
Therefore how much would government spending have to rise will be $6.25 billion