Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
if you decide to cancel your account , oculus reserves the right , subject to any limitations under applicable laws , to collect fees , surcharges or costs incurred before cancellation . 

```
. OPTIONS: ['Contract by using' 'None' 'Content removal' 'Choice of law'
 'Arbitration' 'Unilateral termination' 'Jurisdiction'
 'Limitation of liability' 'Unilateral change'].