For each of the following, compute the present value (Do not include the dollar signs ($). Enter rounded answers as directed, but do not use the rounded numbers in intermediate calculations. Round your answers to 2 decimal places (e.g., 32.16)):
Present Value Years Interest Rate Future Value
$ 12 4 % $ 18,928
$ 4 9 43,117
$ 16 12 806,382
$ 21 11 663,816