The following timeline represents the initial cost and the annual cash inflows of a given project. The WACC is equal to 5.6% per year.

Time	0	1	2	3	4
Cash flow	-5000	3000	1000	1000	3000

Calculate the discounted payback period of this project. Show your steps in the reasons box.

Note: Do not enter any symbol in the answer field ( $, KD, % - NOT allowed). Enter at least two digits after the decimal point.