$18.86 is incorrect answer from my first attempt

The market price of a security is $36. Its expected rate of return is 11%. The risk-free rate is 4%, and the market risk premium is 9%. What will the market price of the security be if its beta doubles (and all other variables remain unchanged)? Assume the stock is expected to pay a constant dividend in perpetuity. (Round your answer to 2 decimal places.)