You've collected the following information from your favorite financial website. According to your research, the growth rate in dividends for Abbott Laboratories for the previous 5 years has been negative 11.5 percent. If investors feel this growth rate will continue, what is the required return for the company's stock? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)