Toyota Corp.'s stock is $28 per share. Its expected return is 20% and variance is 15%. Honda Corp.'s stock is $21 per share. Its expected return is 16% and variance is 8%. Benz Corp.'s stock is $40 per share. Its expected return is 15% and variance 8%. What would be the expected return of a portfolio consisting of 50% Toyota and 50% Honda? Place your answer in percentage form, say 5.99% and not .0599