Hr industries (hri) has a beta of 1.2, while lr industries's (lri) beta is 0.8. the risk-free rate is 6%, and the required rate of return on an average stock is 13%. the expected rate of inflation built into rrf falls by 1.5 percentage points; the real risk-free rate remains constant; the required return on the market falls to 10.5%; and all betas remain constant. after all of these changes, what will be the difference in the required returns for hri and lri? round your answer to two decimal places.