Calculate the payback period of the following project: The required initial investment is $322,990 and its expected life is 7 years. Expected annual net operating income from the project is $28,100, including depreciation of $42,270. At the end of the project, the salvage value of the assets is expected to be $27,100. (Ignore income taxes.):

Required:

The payback period is: (Round your answer to 2 decimal places.)