DISCOVERY MISINFORMED AND COMMUNICATED PAYS FOR CL

Received a call from Discovery Accounts yesterday the 22nd of Feb advising I have an outstanding amount of R4362.47 due to membership not paid in December. I stopped my policy in November and advised discovery that the medical aid must cover me up until the end of December 2015. I was advised upon the call that my last installment will be in November. My policy ended in December and life went on. Two months after my policy has been cancelled I receive a call to advice the above amount is outstanding due to no membership premium being paid, after hearing out the consultant, he states that the last payment was supposed to be on January the 1. (Not what I was initially informed) after looking at the payment I realized it prorate, and am more than happy to pay the missed installment for January. The consultant did not explain this to me, he told me this is for claims paid when I was not supposed to be covered. Well if I wasn't supposed to be covered, why did Discovery pay the claims? Discovery and I were fully aware the membership was only ending at the end of December, why did I not get a call in the first week of January advising they had not received the last premium? Whereby I