All I want is my money

Absa Garankuwa, I went to deposit R17000 paying my eskom bill the the ATM gave back R9200 and took R7800, now I'm being told the money they found is R7300 and they never even deposited the money back to Eskom account so not only did I loose the R500 but I also lost R7300 as it does not reflect at eskom system. The ladies there have a very bad attitude.