The Deepest the Output Gap Was During the Great Recession $\bar { x }$

Essay

The deepest the output gap was during the Great Recession was -7.46 percent in July of 2009. Many believe that the multiplier used was 1.5. If this is true, what is $\bar { x }$
? What is $\bar { x }$
if the multiplier used was 1.25? What would the percent change in government expenditure be to close this gap assuming monetary policy is NOT being used?