if you could show me how to work this out on paper that would be amazing

Compute the payback statistic for Project A if the appropriate cost of capital is 7 percent and the maximum allowable payback period is four years. (Round your answer to 2 decimal places.) Project A Time: Cash flow: 0 1 -$1,100 $390 2. $510 3 $540 4 $320 5 $120 Payback 2.39 years Should the project be accepted or rejected? accepted O rejected