Solve for the unknown variables based on the information provided for the following simple interest scenarios.

$($Round all quantities to two decimal places. NOTE that this means decimal interest rates should be rounded to four places before converting back to a percentagel$)$

$\backslash$table$[[$Interest Amount,Principal$/$Present Value,Interest Rate,Time,Maturity$/$Future Value$],[,$$$16,350\mathrm{.}00,0\mathrm{.}5\%$ per month,$4$ months,$],[,,12\%$ per year,$4$ months,$$61,670\mathrm{.}00$