Worste service I have ever got

in a drive trough you would expect it would atleast take no less than 5min to place,pay and collect your order seeing that it was almost 10mp at night with only one car infornt of us.The lady taking the order firstly told us she would help us now,so we ended up waitin 3min for her to take our order.After this fiasco we payed,the waited for 8min just to hear that ther is a waiting period of 15min for the chicken to come out,at this stage I was highly iratated as we were not informed that there is a waiting period for the chicken.I got out of my vehicle and went inside the shop and asked my freind to bring the car around once the vehicle infront of us has moved on.I asked for the manager on duty and had to wait an additional 3min for her aswell.At this stage I was ready to explode,sa I was waiting for her the vehicle infront of us moved on,so its now 11min in a DRIVE THROUG.The lady at the window asked my frined for the till slip,which I had so they could see what was ordered,seriously that's why there is a screen to show you what is on order is it not?Her reason was there is to many orders and they don't know what we orderedfor a new shop,I'm sorry service is beyond bad!