HR Industries (HRI) has a beta of 2.1, while LR Industries's (LRI) beta is 0.7. 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 r_RF 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.