Consider the following table, which gives a security analysts expected return on two stocks in two particular scenarios for the rate of return on the market Defensive stock Market Return 68 21 Aggressive stock -48 34 38 a. What are the betas of the two stocks? (Do not round intermediate calculations. Round your answers to 2 decimal places.) Beta Aggressive stock Defensive stock O b. What is the expected rate of return on each stock if the two scenarios for the market return are equally likely to be 6% or 21%? (Do not round intermediate calculations. Round your answers to 1 decimal place.) Expected rate of Return Aggressive stock % Defensive stock %