Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
your purchase will be subject to apple 's applicable payment policy , which also may not provide for refunds . 

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