Serdar owns a local restaurant and he is considering expanding the site of his restaurant. He projects that the initial cost will be $23.200. The plan is projected to produce cash inflows of $3.200, $4,100. 54,900 55.000, and $12.000 over the next five years, respectively. What is the payback period? (Do not round intermediate calculations and round your answer to 2 decimal places. e... 12.47.)