You are given the following information for two projects:

Project A Project B

Initial investment $$42,000$ $$45,000$

Year Operating cash inflows

$1$ $$14,000$ $$29,436$

$214,00010,120$

$314,00011,126$

$414,00010,000$

$514,00010,000$

What is the payback period for Project B$?$