Johnny is a risk-averse investor. Silas is a more risk-averse investor than Johnny. Which of the following statements is correct? Select one: a. For the same return, Johnny tolerates higher risk than Silas b. For the same risk, Johnny requires a higher rate of return than Silas C. For the same risk, Silas requires a lower rate of return than Johnny d. For the same return, Silas tolerates higher risk than Johnny