$($a$)$ Given the following portfolio of Marie Company which has investments in POT and DOT. The

characteristics of POT and DOT are stated in the following table. The portfolio of Marie Company is

comprised of $50\%$ investment in POT and $50\%$ investment in DOT. Assume zero correlation between

returns from the two investments.

$($i$)$ Calculate the expected return for this two$-$asset portfolio.

$($ii$)$ What can you say about the return you have calculated in $($i$)?$

$($iii$)$ Calculate standard deviation of the portfolio.