Paying off loan at capitec

I had a loan with capitec <br> I lent 86000 rand i pay for 18 months 3100 and still charge me 76000 to settle the loan <br> they take debut orders on the 23 on the month we it must go off the 27 of the month .<br> After i payed 70 000 on the loan and the settle amount was 75184 . 2 weeks after i settle the account they ask 743 int rest on 5184 rand . I want to close my account with them for they are not playing there carts open . They do business like loan sharks .<br> No one can tell me how chave them primition to take debute orders on the 23 if i only get pay on the 27 but they whant to get the interst before i setteld the accout . They are untrused wordy and only to disonesedly take youre money .