CCC Corp has a beta of 1.5 and is currently in equilibrium. The required rate of return on the stock is 12.10% versus a required return on an average stock of 10.00%. Now the required return on an average stock increases by 50.0% (not percentage points). Neither betas nor the risk-free rate change. What would CCC's new required return be? Do not round your intermediate calculations. a. 22.50% b. 19.60% c. 18.15% d. 17.10% e. 15.00%