A、They got a wrong order number from the caller. B、They failed to deliver the computers on time. C、They couldn’t find the order

M: Hello, Mary. It’s John. I’ve got something to tell you about the delivery of computers.
W: Oh, yes. How is it coming along?
M: Well, we have problems with the ABC computer company.
W: Really? What kind of problem?
M: They haven’t delivered the order on time.
W: Oh, no. Why not?
M: I don’t know. Could you call them?
W: Yes, of course. What’s the order number?
M: It’s CPU3861. Mr. Peterson is the contact man.
W: All right I will call you back later in the afternoon.
8. Why did John make the call?
9. What was the problem with the ABC computer company?
10. Who was the contact man in the ABC Company?