The expected rates of return, standard deviations, and betas, respectively for each of four stocks, are given below: ABC 7%, 3%, 2.12 CDE 8%, 5%, 1.63 FGH 9%, 7%, 1.17 UK 13%, 11%, 1.45 If considered as a stand-alone investment, which stock is clearly the most risky? ABC UK FGH CDE