Historical returns. Calculate the arithmetic average return of U$.$S$.$ Treasury bills, long$-$term government bonds,

and large$-$company stocks for $1986$ to $1995.$ Which had the highest return? Which had the lowest return? Click on "Get

more help" menu, then select "Spreadsheet" to see Table $8\mathrm{.}1-$Year$-$by$-$Year Returns, $1950-1999.$

What is the average return of U$.$S$.$ Treasury bills for $1986$ to $1995?$

$\%($Round to two decimal places.$)$

What is the average return of long$-$term government bonds for $1986$ to $1995?$

$\%($Round to two decimal places.$)$

What is the average return of large$-$company stocks for $1986$ to $1995?$

$\%($Round to two decimal places.$)$

Which investment had the highest average return for $1986$ to $1995?($Select the best response.$)$

A$.$ Long$-$term government bond

B$.$ Large$-$company stocks

C$.$ U$.$S$.$ Treasury bills

Which investment had the lowest average return for $1986$ to $1995?($Select the best response.$)$

A$.$ Large$-$company stocks

B$.$ U$.$S$.$ Treasury bills

C$.$ Long$-$term government bond