B$.$ J$.$ Gautney Enterprises is evaluating a security. $$ One$-$year Treasury bills are

currently paying $3\mathrm{.}3$ percent. Calculate the$$ investment's expected return and its standard deviation. Should Gautney invest in this$$ security?

Probability Return

$0\mathrm{.}20-4\%$

$0\mathrm{.}451\%$

$0\mathrm{.}157\%$

$0\mathrm{.}209\%.$The$$ investment's expected return is

$$

enter your response here$\%.($Round to two decimal$$ places.$)$