Blue Sky Corporation has a beta of 1.82 and a marginal tax rate of 21%. The expected return on the market is 19% and the return on a Treasury security is 1.79% Estimate the firm's 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 7.70%. FOR EXAMPLE, ENTER 7.70