Analysts expect the Rumpel Felt Company to generate EBIT of $10.9 million annually in perpetuity (starting in one year). Rumpel is all equity financed and its stockholders require a return of 4.7%. The value of Rumpel is $231.91 million. If Rumpel borrows $79 million interest-only in perpetuity) with a cost of debt of 2.3%, then what return will the stockholders require? Note: Assume that there are no taxes. The required return will be %. (Round to one decimal place.)