The risk-free return is 3,4% and the market risk premium is 12.5%. What is the expected return for the following portfolio? (state your answer in percent with two decimal places.) Stock Beta Investment AAA 4.0.5400,000 BBB 2.5$1,300,000 ccc2.0$1,600,000 DDD 0.6$1,000,000 18.31% 25.15% 21.71% 28.55% 20.12%