Explanation is more important..

Don't copy from internet..

The proponents of rational expectations argue that it is possible to reduce inflation without causing any recession if: (1) The policymakers' plan to reduce inflation is announced before people form their expectations. (ii) The policymakers' plan to reduce inflation adjusts when people change their expectations. (iii) The people believe the policy announcement on inflation reduction. O a. Both (1) and (ill) O b. Both (1) and (i1) O c. Either (1) or (ill) O d. Either (1) or (i1)