What is the duration of a 9 per cent coupon bond making annual coupon payments if it has three years until maturity and has a YTM of 9 per cent? For columns 4 and 5, work to four decimal places.

YTM = 9 per cent

(1)	(2)	(3)	(4)	(5)
Time until payment (years)	Cash flow	PV of CF (discount rate = 9 per cent)	Weight	Column (1) x Column (4)
1	$90.00	$
2	$ 90.00	$
3	$1090.00	$
Column sums:		$1000.00	1.0000

Duration, to three decimal places equals = [?] years