You have $5,000 invested in Security M, $3,000 invested in Security L, and $2,000 invested in Security P.Security M has a beta of 0.85; Security L has a beta of 1.50; and Security P has a beta of 1.90.The relevant risk -free rate is 7%, and the expected return on the market portfolio is 18%.What is the expected return on your portfolio?Round your answer to the nearest tenth of a percent.

A) 6.8%

B) 18.0%

C) 20.8%

D) 29.6%