Which of the following statements is correct? Select one: a. Money Ilusion does not explain the volatility puzzle b. Categorical thinking does not explain the post-earnings-announcement drit. Categorical thinking explains the post-earnings-announcement drift by proposing that investors allocate firms into categories and then make decisions based on these category allocations O d. Money Busion explains the volatility puzzle by proposing that investors perceive nominal discount rates to change more frequently than they actually do