Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
thereafter , if you have purchased or redeemed a subscription-based product or service , each time your subscription comes up for renewal , we have the right to charge your credit card or debit your account the then-current renewal rate plus any applicable taxes we are required to collect , and you authorize us to do so . 

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