3 Fill in out, in, by. 1 A: That will be ?90, madam. B: That’s fine. I’ll pay by credit card. 2 A: Is this style in fashion? B: Oh, yes! These ties are in great demand. 3 A: Can I exchange this dress for a black one. please? B: I’m afraid this is the last one. We are out of stock. 4 A: How would you like to pay, sir? B: I’ll pay in cash, thank you. 5 A: Can I pay by cheque, please? B: Sure. That’s ?150.