Based on the following information:

a$.$ For a portfolio consisting of $70h,$ siocks and $10ms$ honks, calculate

i$.$ the expected returm and,

ii$.$ the standard deviation.

b$.$ For a portfolio consisting of $20\%$ stocks and $80\%$ bonds, calculate i$.$ the expected return and,

ii$.$ the standard deviation.

c$.$ For a portfolio consisting of $70\%$ stocks and $30\%$ Treasury bills, calculate i$.$ the expected return and.

ii$.$ the standard deviation.

d$.$ For a portfolio consisting of $120\%$ stocks and borrowing $20\%$ at the Treasury bill rate, calculate

i$.$ the expected return and.

ii$.$ the standard deviation.

$\backslash$table$[[$Expected Return of Stocks,$0\mathrm{.}099,,],[$Expected Return of Bonds,$0\mathrm{.}041,,],[$Variance of Stocks,$0\mathrm{.}0361,$Std$.$ Dev.,$0\mathrm{.}19],[$Variance of Bonds,$0\mathrm{.}0036,$Std$.$ Dev.,$0\mathrm{.}06],[$Correlation Coefficient Stocks, Bonds,$0\mathrm{.}2,,],[$Treasury bill, Risk$-$free Rate,$0\mathrm{.}029,,],[$Correlation Coefficient Siocks, Treasury bills,$0\mathrm{.}0,,]]$