Find the APR, or stated rate, in each of the following cases:

$\backslash$table$[[$Input area:$],[$Output area:$]]$

$\backslash$table$[[$Compounding periods per year,Effective rate $($EAR$),$Stated rate $($APR$)],[2.,14\mathrm{.}20\%,],[12,18\mathrm{.}40\%,],[52,11\mathrm{.}10\%,],[$Infinite$,8\mathrm{.}90\%,]]$