Alpha Corporation is considering investing in several municipal bonds and AAA corporate bonds Ch VI R7: that pay rates of return of eight percent and six percent, respectively. Additionally, it is also contemplating preferred stock on a publicly traded company with a dividend vield of five percent. Alpha Corporation would only acquire a maximum of 10 percent of total market capitalization of the publicly traded company. If Aipha Corporation were in the 35 percent tax bracket, what is the best investment option