Suppose that you have $1 million and the following two opportunities from which to construct a portfolio: a. Risk-free asset earning 8% per year. b. Risky asset with expected return of 23% per year and standard deviation of 31%. If you construct a portfolio with a standard deviation of 22%, what is its expected rate of return? (Do not round your intermediate calculations. Round your answer to 1 decimal place.) Expected return on portfolio