4. (10) The return to the market was 9 percent and the risk-free return was 3 percent. The contractual/actual rates of return for three investments were for:- A was 7 percent with a beta of.5. B was 8 percent with a beta of .66, and C was 10 percent with a beta of 1.33, Specify/analyze which investment(s) should be accepted or rejected. ? ? ? ? ? ?