The market rate of return is $12\mathrm{.}65\%$ and the risk free rate is $3\mathrm{.}1\%.$ Galaxy Company has $15\%$ more systematic risk than the overall market and has a dividend growth rate of $3\mathrm{.}75\%.$ The firms stock is currently selling for $$53$ a share and has a dividend yield of $4\mathrm{.}53\%$ What is the firm's average cost of equity