Cox Communications Cox Nationwide

I have been a customer of Cox Commincations for over 6 years and never had a problem with the company until now. When we downgraded to only internet and returned the equipment, this is when the problem started. The technician did not put on the reciept that the modem for the internet/phone service was returned and we were charged for the modem. We even went back to the store it was returned and was informed by a techician that is was shown as returned in the notes but either he lied to us or it was deleted off the noted, because supposedly Cox cannot find that statement anywhere in the notes, now we have to pay for a modem that was returned but becaise of the technicians mistake, we have to pay back $133.00 for a modem that was returned.