Hello Tutor, please help me with these two questions. Thank you

Suppose the Phillips curve is represented by the following equation: "t - "t-1 = 20 - 2ut. Given this information, which of the following is most likely to occur if the actual unemployment in any period is equal to 6%? A. the rate of inflation will tend to increase B. the rate of inflation will be constant C. the rate of inflation will tend to decrease D. none of the above Suppose policy makers underestimate the natural rate of unemployment. In situations like these, policy makers will likely implement policies that result in A. more unemployment than necessary. B. an unemployment rate that is "too high." C. a higher inflation rate than necessary. D. a steadily decreasing inflation rate. E. overly contractionary monetary and fiscal policy