The following information was given regarding a proposed project at Field Corp. $($FC$).$

Probability $($S$)$ Potential Profit $($S$)$

$40\%$ $$10,000$

$25\%$ $$15,000$

$5\%($$$20,000)$

$30\%$ $$5,000$

This project's coefficient of variation is $\_\_\_\_\_\_.$

a$.$

$1\mathrm{.}67$

b$.$

$0\mathrm{.}90$

c$.$

$2\mathrm{.}30$

d$.$

$0\mathrm{.}80$