Three securities have the characteristics described in the following table: A B C Return % Prob Return % Prob Return % Prob 8 0.2 5 0.03 9 0.15 10 0.2 7 0.03 11 0.2 12 0.2 11 0.35 13 0.25 15 0.2 14 0.4 14 0.25 18 0.2 16 0.19 18 0.15 If a equals 5%, what is the preferred investment shown in the table above using Kataoka's safety-first criterion? OA OB O None of the above O All are equally desirable