3. Suppose that there are two risky assets, C and D, the tangency portfo- lio is 60%C and 40%D, and the expected return and standard deviation of the return on the tangency portfolio are 5% and 7% respectively. Suppose also that the risk-free rate is 2%. If you want the standard de- viation of your return to be 5%, what proportion of your capital should be in the risk-free asset, asset C, and asset D