Worst company ever..unprofessional and rude..which...

Worst company ever..unprofessional and rude..which he knows call2 every month tells him to pay even though every month we never miss a payment..when whatsapp for receipt does not reply2 then call back and ask when do I make payment? Your system looks like sh ** right! worst of all tell me to increase the payment, I don't want to add cynical talk perli2..crazy!