Consider the following two stocks:

Facebook IBM

Expected Return 7% 15%

Variance 8% 16%

Covariance. -3.5%

Risk-free Rate ?

You were asked to form a CML that connects the ORP to the risk-free asset that yields a return of 10%, what is the necessary risk-free rate that would produce such a return? (Knowing that as a risk averse investor you want to invest 70% in risk- free assets).