Assume that the current market price of Zigi, Inc. stock is $54.59. If Zigi, Inc. just paid a dividend of $4.57 per share (i.e., D0 = 4.57), and if investors expect that the companys dividends will grow at an annual rate of 2.47% forever, then Zigi, Inc.s required rate of return is ____%. (Record your answer rounded to 1 decimal place; for example, record 18.29654% as 18.3)