Extravagance Ltd$.$ has profit margin of $11\%,$ total asset turnover of $1\mathrm{.}25,$ equity multiplier of $1\mathrm{.}75$ and a payout ratio of $55\%.$ What is the firm's sustainable growth rate?a$)12\mathrm{.}14\%$b$)11\mathrm{.}00\%13\mathrm{.}23\%$d$)15\mathrm{.}25\%$e$)24\mathrm{.}06\%$