Answer:
$1.5 trillion
Explanation:
According to the scenario, computation of the given data are as follow:-
As we know that,
Real GDP = Consumption + Investment + Government Spending + (Export-Import)
US GDP dropped from $14 trillion to $12.5 trillion. The consumption decreased by $1 trillion and investment decreased by $500 billion. So in order to increase the GDP from $12.5 trillion to $14 trillion, the government should have to increase their expenditure by $1.5 trillion.