You are an investment analyst. Encik Jebat, an investor, has come to you sharing information

on stocks from two different companies, namely Tun Teja Berhad $($Teja$)$ and Tun Putri Berhad

$($Putri$).$ The following table provides information regarding the expected returns as well as the

standard deviations:

Given that the correlation coefficient between the two companies' shares is $0\mathrm{.}5.$

From the above information, you are required to answer the following questions.

a$.$ Calculate the expected return and standard deviation for the following portfolio:

i$.40\%$ in Teja and $60\%$ in Putri.

$(2$ Marks$)$

ii$.,50\%$ in Teja and $50\%$ in Putri.

$(2$ Marks$)$

iii. $20\%$ in Teja and $80\%$ in Putri.

$(2$ Marks$)$