Horrible disrespectul comments

On Friday the 26/06/2015 I was at Game in Menlyn buying a microwave and kettle as the store close I headed to the registers to pay where my card declined because of their speedpoint machine so I withdrew money from an Absa atm inside Game. The total cost of the items were R1044 so I paid in R1100 and of course I expected change the cashier said she did not have change in her till and asked if I didn't have R44 and I told her I have R30 and a solid R50 she then said I should give the R50 and she will get me change from the office at this stage three of her colleagues are standing by the register as well. Before the lady left to get my change the one lady said something to her colleagues about why don't I just tip with it because I guess they were eager to home and when the cashier left to get my change they were still standing there and the others continued talking amongst themselves that I held up everything over R6 and they went on and on. I was not pleased at all because I am not obliged to do anything or leave my money behind because they felt like they wanted to leave,it portrayed a lack of great customer service and no respect none whatsoever for client. It is unacceptable!