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5 points If the equation for a country's Phillips curve is n = 0.02 - 0.8(u - 0.05), where it is the rate of inflation and u is the unemployment rate, what is the short-run inflati rate when unemployment is 4 percent? -5.2% -2.6% 9.2% 2.8% 5 points For an decrease in domestic government spending, investment decreases. saving decreases. investment increases. O saving increases