Determine the present value of the following single amounts (FV of $1, PV of $1, FVA of $1, PVA of $1, FVAD of $1 and PVAD of $1) (Use appropriate factor(s) from the tables provided. Round your final answers to nearest whole dollar amount.):

	Future Amount	i =	n =	Present Value
1.	$20,000	7%	10
2.	$14,000	8%	12
3.	$25,000	12%	20
4.	$40,000	10%	8