Always in arrears

Always in arrears, don't get it. We have phoned head office told go to the store. So we go to the store, ask them to sort out our account. Seems we always R500 in arrears. Oh don't worry about that we get told, we will sort it out. It is because cut off date is the period 17th to 24th. Ok fixed sorted, date will reflect 24th to 30th. whatever that means. So off we go and guess what nothing was sorted. We still in arrears. We still don't get an account and still no one cares.