For each of the following, compute the present value. $($Do not round intermediate calculations and round your answers to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

$\backslash$table$[[$Present Value,Years,Interest Rate,,Future value$],[,17,9,\%,16,832],[$r$,9,7,,48,318],[.,23,13,,886,073],[,35,21,,550,164]]$