170 Σ۷-3

A: There is something wrong with my credit card.
B: What's the problem?
A: There is a charge on here that I never made.
B: What charge was made?
A: It was a charge for a $350 purse that I never bought.
B: You didn't make this purchase?
A: I think I would remember if I made a purchase that large.
B: Sorry. When was this purse purchased?
A: It was purchased on the 12th of November at 3:15 pm, but I was at work.
B: We'll do an investigation and get to the bottom of this.
A: In the meantime, do I have to pay for this charge?
B: No. We'll take care of everything.