During the 2020 campaign, Joe Biden\ \ proposed raising income taxes on\ \ those earning more than $400,000\ \ per year and raising corporate taxes\ \ from about 21 percent to 28 percent.\ \ Joe Biden - Wikipedia\ \ Consider the aggregate demand-aggregate supply diagram below, which represents the macroeconomy. Suppose the market is initially at an equilibrium at point A. What effect will a tax increase have on this economy?\ \ \ \ Question 30 options:\ \ Actual and potential GDP will decrease.\ \ \ Actual GDP will decrease.\ \ \ Potential GDP will decrease.\ \ \ Actual and potential GDP will remain unchanged.