$1.$ A change in overall investor confidence will impact the macroeconomy. Here we will model an increase in investor confidence, holding all else constant, and use the AD$/$AS model to look at how fiscal policy can try and smooth out the business cycle. Our shock in this question will be investor confidence increases, holding all else constant. Let$$s start with assuming the US was producing at the full$-$employment level of output $($Yp$)$ with an arbitrary price level $($P$)$ before the increase in investor confidence. d$.$ Assume the federal government decides to take action to try and move the economy back to long$-$run macroeconomic equilibrium. What are the two ways they would do this?