A project has an expected return of R$50$ with an associated standard deviation of R$10.$ What is the coefficient of variation $($CV$)$ of the project?

a$.$

$0\mathrm{.}20$

b$.$

$0\mathrm{.}25$

c$.$

$50\mathrm{.}00$

d$.$

$500\mathrm{.}00$