Steers forgot to prepare my order

Visited this establishment on 09/06/2018 to buy a packet of chips (order no 40). The store was very quiet and only one customer was before me awaiting his order. After placing my order I waited seated in the store for the chips. I noticed that the employees were very loud in their conversations with each other, often shouting and playing like they were on the beach, how unprofessional! After about 15min of waiting I realised that a simple packet of chips is way too long to wait for, especially when there about no other cutomers at the store. Moreover they didn't even notice that I was waiting for too long without even enquiring about my order. After asking the teller about my order, she realised that she did not give it to the kitchen to prepare, after which they started argueing amounst themselves, by which time I decided to get a refund and leave. This store surley must get the Oscar award for incompetant, highly unprofessional and downright useless staff!! Wonder where was their management !! What shame a advert for an otherwise great franchise!