You are managing a risky portfolio with an expected return of 15%, a variance of 0.0784, and a beta of 1.4. Suppose that the T-bill rate is 5% and the S&P500 stock index (as the market index) has an expected return of 10% and a variance of 0.04. Your client chose to invest 80% of her portfolio in your fund and the rest in a T-bill money market fund. What is the Treynor ratio of your clients portfolio?

A. 0.3571

B. 0.1161

C. 0.0571

D. 0.0714