Payment not allocated

I made a payment onto my Mr Price account on the 2nd December 2015. i pay via EFT every month and it reflects the next day on my online account. I usually check online as i buy off of the website often.<br> <br> My payment has still not been allocated for this month, customer services and the online support is unable to assist. <br> <br> Please allocate my payment, my reference used is my account number, same as every month. i dont understand what the delay is this month, and i wont pay for interest added due to non or incorrect allocation of my payments