Suppose General Motors stock has an expected return of 18% and a volatility of 41%, and Molson-Coors Brewing has an expected return of 14% and a volatility of 31%. If the two stocks are uncorrelated, a. What is the expected return and volatility of a portfolio consisting of 73% General Motors stock and 27% of Molson-Coors Brewing stock? b. Given your answer to (a), is investing all of your money in Molson-Coors stock an efficient portfolio of these two stocks? c. Is investing all of your money in General Motors an efficient portfolio of these two stocks? a. What is the expected return and volatility of a portfolio of 73% Ford Motor stock and 27% of Molson-Coors Brewing stock? The expected return of the portfolio is \%. (Round to two decimal places.)