If Machine A has a NPW of $36,000 and Machine B has a NPW of $60,000 over a 4-year period, what is the difference in the annual worth of Machine B over Machine A at a rate of 6% p. y. c. y?

Answers:	$1,579
	$4,304
	$5,804
	$6,926

Could you work the problem out in excel and show the steps you used to get the answer?

Thanks for your help!