Hampton Corporation has a beta of 1.83 and a marginal tax rate of 21%. The expected return on the market is 15% and the risk-free interest rate is 1.29%. Estimate the firms cost of internal equity. SET YOUR CALCULATOR TO 4 DECIMAL PLACES AND ROUND TO 2 DECIMAL PLACES AT THE END. DO NOT ENTER THE % SIGN. IF YOUR ANSWER IS 7.7000%, FOR EXAMPLE, ENTER 7.70.