Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
rates are not verified as accurate , and actual rates may vary . 

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