$1)$ BierCo is a beer company based in Germany. You purchased the stock in $2011$ for $100$ Euros when the exchange rate was $1\mathrm{.}4$ EUR$/$ USD. Today BierCo's price is $120$ Euros and the exhange rate is $1\mathrm{.}12$ EUR$/$USD$.$ What is the dollar$-$denominated total return? Express in decimal total return format $($i$.$e$.,0\mathrm{.}01$ represents $1\%).$

$2)$ Given the following scenarios, what is the standard deviation for Acme, Inc.?

Economy $/$ Pri $/$ Ri

Strong $/0\mathrm{.}3/40\%$

Normal $/0\mathrm{.}4/16\%$

Weak $/0\mathrm{.}3/-20\%$

Express your answer in decimal format $($e$.$g$.,0\mathrm{.}1935$ to represent $19\mathrm{.}35\%)$

$3)$ Given the following data, what is the coefficient of variation?

t$,$ R$\_$t

$1,21\mathrm{.}01\%$

$2,-13\mathrm{.}83\%$

$3,15\mathrm{.}67\%$

$4,0\mathrm{.}88\%$

$5,-1\mathrm{.}32\%$

Express your answer in decimal format.

$4)$ Given the following data, what is the standard deviation?

t$,$ R$\_$t

$1,21\mathrm{.}01\%$

$2,-13\mathrm{.}83\%$

$3,15\mathrm{.}67\%$

$4,0\mathrm{.}88\%$

$5,-1\mathrm{.}32\%$

Express your answer in total return decimal format $($e$.$g$.,0\mathrm{.}0915$ to represent $9\mathrm{.}15\%).$

$5)$ Given the following scenarios, what is the coefficient of variation for Acme, Inc.?

Economy $/$ Pri $/$ Ri

Strong $/0\mathrm{.}3/40\%$

Normal $/0\mathrm{.}4/16\%$

Weak $/0\mathrm{.}3/-20\%$

Express your answer in decimal format.