Having issues with these quarter PV/FV

The future value of $500 invested at 8 percent for five years.

Nper 20

PV 500

FV =

Rate0.080

c. The present value of $500 to be received in one year when the opportunity cost rate is 8 percent.

Nper

PV 500

PV =

Rate0.08

d. The present value of $500 to be received in five years when the opportunity cost rate is 8 percent.

Nper

PV500

PV =

Rate0.08