Please. Thanks.

The return on the risky portfolio is 15%. The risk-free rate is 10%. The standard deviation of return on the risky portfolio is 20%. If an investor invest his 30% of wealth in risky portfolio and 70% in risk-free asset, the expected return on the complete portfolio is - (Round final answer to 2 decimal places) 8.75% 6.00% 10.25% 11.50%