R800 cancellation fee is a *******

Good day.<br> <br> What Justify telkom mobile to charge a cancellation fee R800 with no device charges<br> <br> The CPA says you must 'impose a reasonable charge for cancellation'<br> <br> the supplier may impose a reasonable penalty or charge for any goods supp****, services provided or discounts granted to the consumer in contemplation of the agreement running for its intended fixed term [discounted or free cellular phone]