What is the expected return for the following portfolio? (State your answer in percent with two decimal places.) Stock Expected returns Investment AAA 37% $400,000 BBB 28 $1,100,000 Ccc 214 $1, 500,000 DDD 6 $1, 400,000 17.16% O 19.43% 21.04% 22.25% O 23.92%