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.	$23,000	4%	15
2.	$17,000	8%	12
3.	$28,000	12%	24
4.	$43,000	10%	8