| Year | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
| Cash flow | (500) | 110 | 110 | 110 | 110 | 110 | 110 |
| umulative cash flow | (500) | (390) | (280) | (170) | (60) | 50 | 160 |
The payback is between 4 and 5 years. The payback period is 4 years plus
60/110 = 0.55 of the fifth year cash flow, or 4.55 years.
60/110 = 0.55 of the fifth year cash flow, or 4.55 years.
| Year | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
| Cash flow | (500) | 110 | 110 | 110 | 110 | 110 | 110 |
| Discounted cash flow | (500) | 101.85 | 94.31 | 87.32 | 80.85 | 74.86 | 69.32 |
| Cumulative DCF | (500) | (398.15) | (303.84) | (216.52) | (135.67) | (60.81) | (8.51) |
The discounted payback is between 5 and 6 years. The discounted payback period is 5 years plus 60.81/69.32 = 0.88 of the sixth year cash flow, or 5.88 years.

