need help with question 15 and 16

Question 15 (1 point) Which of the following is NOT a correct statement about diversification? a) Most diversification benefits are realized with just 30 to 40 stocks Ob) Diversification is the process of reducing the riskiness associated with individual assets by spreading an investment across numerous assets c) Non-diversifiable risk is the only risk that matters to a diversified investor O d) There is no limit to the amount of risk that can be eliminated through diversification Question 16 (1 point) Carpenter, Inc. has preferred stock that pays a dividend of $3.32 at the end of each year. If your required rate of return is 9.25%, what is the value of this preferred stock? O a) $15.27 Ob) $22.22 Oc) $24.32 Od) $27.13 Oe) $35.89