Worked examples / Buying something
A $900 road bike kept five years and sold for $300, ridden twice a week.

The road bike costs you $10.00 a month. You said having it is worth $20.00.
This is a worked example with illustrative figures, not data about any real person or company. Change any of them in the calculator and the answer changes with them.
How this answer was worked out| Net cost | $900 - $300 = $600 |
| Cost per month | $600 / (5 x 12) = $10.00 |
| Cost per use | $600 / (2 x 52 x 5) = $1.15 |
| Worth in all | $20.00 x 12 x 5 = $1,200 |
| Net | $600 |
| Years to pay for itself | 2.5 |
| Gone on day one | $900 - $200 = $700 |
Every formula is written out on the formulas page.
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