How would you calculate the expected return of the complete portfolio if the proportion of invested in risky asset is not given?

Suppose you have $2,000 to invest. If you borrow $500 at a risk-free rate 2% and invest $2,500 ( $2,000 of your money and $500 borrowed) in a risky portfolio with an expected return of 10% and a standard deviation of 15%, what would be the expected return of your complete portfolio? Enter your answer as a decimal, rounded to 3 decimal places