$($i$)$ Portfolio Expected return if the individual weightings are asfollows:

x$1(40\%)$ and x$2(60\%)$ with ErX$1=6\%$ and ErX$2=14\mathrm{.}5\%$

$($ii$)$ Portfolio Risk if the individual weightings are

x$1(40\%)$ and x$2(60\%)$ with $\backslash$sigma X$1=12\%$ and $\backslash$sigma X$2=30\mathrm{.}5\%$

Correlation Coefficient is $0\mathrm{.}11$

$($iii$)$ Comment on the results and how you might improve the Portfolio risk$-$adjusted return

$($iv$)$ Re$-$calculate the portfolio risk from part $($ii$),$ if the covariace between the two assets

is now $0\mathrm{.}01$