This exercise is based on the following table, which lists interest rates on long$-$term investments $($based on $10-$year government bonds$)$ in several countries in $2014.$

$\backslash$table$[[$Country$,$U$.$S$.,$Japan,Germany,Australia,Brazil$],[$Yield$,2\mathrm{.}5\%,0\mathrm{.}5\%,1\mathrm{.}0\%,3\mathrm{.}5\%,4\mathrm{.}2\%$