Consider the following two scenarios for the economy and the expected returns in each scenario for the market portfolio, an aggressive stock A, and a defensive stock D. Rate of Return Aggressive Defensive Scenario Bust Boom Market Stock A Stock D -10% 25 19 15 a. Find the beta of each stock. (Round your answers to 2 decimal places.) Beta Stock A Stock D b. If each scenario is equally likely, find the expected rate of return on the market portfolio and on each stock. (Enter your answers as a whole percent.)