Purchase done last year Nov only know they are deb

Please can someone explain this to me i made a purchase last year November and only know the taking the fund out on cheque account . The purchase i did at that stage i had budgeted for where in the world am i going to get that R1081 now i didn't budget for that transaction i need someone to call me and fix this mess. What in the world the f.... word is Mr price thinking. I am account holder of Mr price i will be closing my account