Disgusting service at Edgar's and RCS

I am so disgusted in the service provided by Edgar's. I went into the store yesterday to help 2 pensioners pay up their accounts. Due to lockdown they are unable to go out of the premises. The lady at the counter could not give me the balance of the account unless I had an ID no. I had both edgars account cards but that did not seem to help. So I had to pay 500.00 on each account... Then the cashier said the balance was 608.17 which I paid to then find out we overpaid by 1200. 00 + I then asked then to cancel the receipt and give me back my money which they refused. She then pH RCS and they would not tal to me and told the cashier that I must get 3 bank statements, proof of payment and email RCS.... Can you believe they want to keep elderly peoples money and not return it to them knowing they cannot come out of the old age home or see any person on the property due to Covid... What has happened to Edgar's the store where everybody shopped.... I cannot believe the disgusting service and the increase of charges getting charged to accounts. Most probably they want to keep the overpayment so that they can deduct charges every month until the money is used up.