Incorrectly invoiced - Paid cash

Good day<br> We bought spillage refills on 30/06/2014 at the Rustenburg branch and paid cash. On jobcard 16075 Lizel wrote paid dash. Then we were invoiced again electronically refer to invoice ***SIN-000115 at head office. I e-mailed Lindo Magubane on 30/03/2015 with proof of the jobcard that we paid cash to sort it out, and have never heard anything. Lizel was on leave at that time and they could not sort it out. Deon, our employee who bought the spillage refills, also visited Chubb Rustenburg to try and sort it out. Up to date still no reply. Very very bad service. We need someone to please sort this out on our behalf.<br> <br> Kind regards<br> <br> Jodene de Jager