You are examining a portfolio consisting of three stocks. Using the data in the table $$ Data table

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$\backslash$table$[[,$Stock Returns,,Portfolio Returns$],[$Year$,$North Air,West Air,Tex Oil,,$(1)/(2)($R$\_($N$)+$R$\_($W$)),(1)/(2)($R$\_($W$)+$R$\_($T$))],[2014,21\%,9\%,-1\%,,15\mathrm{.}0\%,4\mathrm{.}0\%],[2015,30\%,21\%,-4\%,25\mathrm{.}5\%,8\mathrm{.}5\%,],[2016,7\%,7\%,9\%,7\mathrm{.}0\%,8\mathrm{.}0\%,],[2017,-4\%,-1\%,21\%,-2\mathrm{.}5\%,10\mathrm{.}0\%,],[2018,-1\%,-4\%,30\%,-2\mathrm{.}5\%,13\mathrm{.}0\%,],[2019,9\%,30\%,7\%,19\mathrm{.}5\%,18\mathrm{.}5\%,],[$Average Return,$10\mathrm{.}3\%,10\mathrm{.}3\%,10\mathrm{.}3\%,10\mathrm{.}3\%,10\mathrm{.}3\%,],[$Volatility$,13\mathrm{.}0\%,13\mathrm{.}0\%,13\mathrm{.}0\%,11\mathrm{.}6\%,5\mathrm{.}0\%,]]$

a$.$ Compute the annual returns for a portfolio with $25\%$ invested in North Air, $30\%$ invested in West Air, and $45\%$ invested in Tex Oil.

b$.$ What is the lowest annual return for your portfolio in part $($a$)?$ How does it compare with the lowest annual return of the individual stocks or portfolios in the table above.

a$.$ Compute the annual returns for a portfolio with $25\%$ invested in North Air, $30\%$ invested in West Air, and $45\%$ invested in Tex Oil.

The annual return for $2014$ will be: $($Round to two decimal places.$)$

The annual return for $2015$ will be: $($Round to two decimal places.$)$

The annual return for $2016$ will be: $($Round to two decimal places.$)$

The annual return for $2017$ will be: $($Round to two decimal places.$)$

The annual return for $2018$ will be: $($Round to two decimal places.$)$

The annual return for $2019$ will be: $($Round to two decimal places.$)$

b$.$ What is the lowest annual return for your portfolio in part $($a$)?$ How does it compare with the lowest annual return of the individual stocks or portfolios in the table above. $($Select all the choices that apply.$)$

A$.$ The portfolio computed in part $($a$)$ had its lowest annual return in $2014(7\mathrm{.}50\%).$

B$.$ The portfolio computed in part $($a$)$ had its lowest annual return in $2015(12\mathrm{.}00\%).$

C$.$ This is lower than each individual stock and the other portfolios in the table above as well.

D$.$ This is higher than the lowest annual return of each individual stock and the other portfolios in the table above as well.