Here is the answer

If you bring merchandise and receipt to a customer service counter, you can "Return" "exchange" and unrelated matter.

When you combine the above 3 circumstance with 2 people both does not speak English well. That can be 9 circumstance. Return merchandise with some computer system can be very difficult depend on Debit, Credit, Check or Cash (combine any 2 of above). Dont forget the key element here, the price chance.

Plus a supervisor who does not know what is going on. If she is cute and 90% she juiced in with somebody to get the job.

The last, Chinese is not the most lovable group on the earth. If somebody discriminate against Chinese, it is because some bad elements in our group that gave all of us a bad name.