Compute the payback statistic for Project B if the appropriate cost of capital is 12 percent and the maximum allowable payback period is three years. (If the project never pays back, then enter a "0" (zero).)

Project B
Time:	0	1	2	3	4	5
Cash flow:	$11,600	$3,410	$4,300	$1,640	$0	$1,120

Payback: ____years