13. Changes to the security market line Aa A The following graph plots the current security market line (SML) and indicates the return that investors require from holding stock from Happy Corp. (HC). Based on the graph, complete the table that follows REQUIRED RATE OF RETURN (Percent 20.0 16.0 12.0 Return on HC's Stock 80 4.0 0.5 10 20 1 5 2.0 0.0 RISK Betal Value CAPM Elements Risk-free rate (TRF)