Brenda and Eddie are worried about the length of time it will take for the cash flows from the Parkway Diner to repay their total investment of 500,000 (350,000 to take-over the business and 150,000 to refurbish it). Cash flow projections from the project are reproduced below. Year 1 234 50 60 2 3 6 Net Cash flows () 70,000 70,000 80,000 100,000 100,000 120,000 After the sixth year, Brenda and Eddie confidently expect that they could sell the business for 350,000. Required Calculate the payback period for the project, and advise Brenda & Eddie whether they are right to be concerned.