Company X has beta = 1.6, while Company Y's beta = 0.7. The risk-free rate is 7%, and the required rate of return on an average stock is 12%. Now the expected rate of inflation built into rRF rises by 1 percentage point, the real risk-free rate remains constant, the required return on the market rises to 14%, and betas remain constant. After all of these changes have been reflected in the data, by how much will the required return on Stock X exceed that on Stock Y?

a. 5.40%

b. 5.75%

c. 3.75%

d. 4.82%

e. 4.20%