please calculate as soon as possible. show your calculation $($ex$.$Expected return $=\mathrm{.}25(13)+\mathrm{.}6(9\mathrm{.}6)+\mathrm{.}15(7)=10\mathrm{.}06\%$

Variance $=\mathrm{.}25(13-10\mathrm{.}06)2+\mathrm{.}6(9\mathrm{.}6-10\mathrm{.}06)2+\mathrm{.}15(7-10\mathrm{.}06)2=3\mathrm{.}6924$

Standard deviation $=1\mathrm{.}92\%)----2\mathrm{.}1$ FIRST PORTFOLIO: PORTFOL$$O $1$: Assume that you put $50\%$ of your money in stockA and $50\%$ of your money in market. Calculate:

a$.$ Expected return for your portfolio.

b$.$ Variance of this portfolio

c$.$ Standard deviation of this portfolio

PORTFOLIO $2$ : Assume that you put $80\%$ of your money in your stock and $20\%$ of your money in MARKET. Calculate:

d$.$ Expected return for your portfolio.

e$.$ Variance of this portfolio

f$.$ Standard deviation of this portfolio