If s is the standard deviation of a project with expected returns $100 and s² = 4, the coefficient of variation is:

Group of answer choices

$200.

1/50.

1/25.

$5,000.

$400

If s is the standard deviation of a project with expected returns R, the coefficient of variation is:

Group of answer choices

S^2/R.

SR

R^2 S

S^2R

S / R.