how to get the answer by hand

Question 10 O out of 1 points A firm with a 9 percent cost of capital is considering a project for this year's capital budget. The project's expected after-tax cash flows are as follows: Year: 0 2 3 4 Cash flow: -$14,000 $4,900 $5,300 $4,300 $6,700 1 Calculate the project's payback period. Selected Answer: d. 2.50 years Answers: 2. 2.12 years 2.88 years c. 2.00 years 2.50 years e. 3.00 years