Consider an investment with the following probability distribution:

Probability Payoff

$0\mathrm{.}4533\mathrm{.}0\%$

$0\mathrm{.}35-4\mathrm{.}0$

$0\mathrm{.}20-15\mathrm{.}0$

A$)$Calculate the expected return. Do not round intermediate calculations. Round your answer to two decimal places.

$\%$

B$)$Calculate the standard deviation. Do not round intermediate calculations. Round your answer to two decimal places.

$\%$

C$)$Calculate the coefficient of variation. Do not round intermediate calculations. Round your answer to two decimal places.