The Expected return for a stock, calculated using the CAPM, is 13.5%. THe Risk-free rate is 7.5% and the beta of the stock is 0.80. Calculate the implied return on teh market.

a) 7.50%

b)13.91%

c) 15%

d) 21.88%

e) 14.38%

Can one break down on how they got the answer, i seem to be off by 2 somewhere since I got answer A when it should be C