A project requires an Initial investment of $338.980 and its expected ife is 7 years. Net operating income from the project is expected to be $28.900 each year, including depreciation of $44.440. The salvage value of the assets is expected to be $27,900 at the end of the life of the project. Ignoring income taxes, the payback period is: (Round your answer to 2 decimal places.)