The risk-free rate of return is 4.2% and the market risk premium is 12.6%. What is the expected retum for the following portfolio? Stock Betas Investment AAA 3.50$700,000 BBB 2.30$1,200,000 CCC 1.70$2,000,000 DDD 1.00$1,000,000 24.71% 28.91% 20.67% 16.47% 19.61% The risk-free rate of return is 5.8% and the market risk premium is 14.2%. What is the expected retum for the following portfolio? Stock Betas Investment AAA 3.90$500,000 BBB 2.40 $1,000,000 CCC 1.50$2,300,000 DDD 0.80$1,000,000 31.24% 25.44% 20.85% 15.05% 17.92%