Consider the following table, which gives a security analyst's expected return on two stocks in two particular scenarios for the rate of return on the market: a. What are the betas of the two stocks? (Do not round intermediate calculations. Round your answers to 2 decimal places.) 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.)