For this question, assume that the Phillips curve is represented by the following equation: Tit - Tit-1 = -(ut - Un). Given this information, which of the following will reduce the inflation rate by 6 percentage points? (a) a 6 percentage point increase in unemployment for one year. (b) a 2 percentage point increase in unemployment for 3 years. (c) a 1 percentage point increase in unemployment for 6 years. all of the above. none of the above. [4 points]