What should be the prices of the following preferred stocks if comparable securities yield 4 percent? Use Appendix B and Appendix D to answer the questions. Round your answers to the nearest cent. MN, Inc., $7 preferred ($150 par) CH, Inc., $7 preferred ($150 par) with mandatory retirement after 7 years $ What should be the prices of the following preferred stocks if comparable securities yield 6 percent? Round your answers to the nearest cent. MN, Inc., $7 preferred ($150 par) CH, Inc., $7 preferred ($150 par) with mandatory retirement after 7 years $ $