Question 78 (1 point) 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. 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? Price level (GDP deflator. 2009-100) LRAS, SRAS S