I need help wiith these three

Circle the letter of the response which best answers the question Which one of the following categories of securities had the most volatile annual returns over the period 1926-2013? Long-term corporate bonds Large-company stocks Intermediate-term government bonds U.S. Treasury bills Small-company stocks a stock with an actual return that lies above the security market line has. More systematic risk than the overall market More risk than that warranted by CAPM A higher return than expected for the level of risk assumed less systematic risk than the overall market a return equivalent to the level of risk assumed to convince investors to accept greater volatility, you must: decrease the risk premium increase the risk premium decrease the risk return decrease the risk-free rate increase the risk-free rate Circle the letter of the response which best answers the question Which one of the following categories of securities had the most volatile annual returns over the period 1926-2013? Long-term corporate bonds Large-company stocks Intermediate-term government bonds U.S. Treasury bills Small-company stocks a stock with an actual return that lies above the security market line has. More systematic risk than the overall market More risk than that warranted by CAPM A higher return than expected for the level of risk assumed less systematic risk than the overall market a return equivalent to the level of risk assumed to convince investors to accept greater volatility, you must: decrease the risk premium increase the risk premium decrease the risk return decrease the risk-free rate increase the risk-free rate