Does anyone know a direct number or email to someone who knows what they are doing with billing? We've been sent a notice of late payment with late payment fee for a payment on the invoice never received. The invoice was sent to the wrong postal address and when we phoned up to ask for a correction, the lady on the phone said she would send a correct one with a new due date so that we would have the discounted amount and wouldn't be charged late payment fee. A week later, we received a notice ...