Bae Inc. is considering an investment that has an expected return of $23\%$ and a standard deviation of $10\%.$ What is the investment's coefficient of variation? Do not round your intermediate calculations. Round the final answer to $2$ decimal places.

Group of answer choices

$0\mathrm{.}43$

$0\mathrm{.}48$

$0\mathrm{.}40$

$0\mathrm{.}33$

$0\mathrm{.}46$