听下面一段较长对话，回答以下小题。
【小题1】Who could the man most probably be?

A．A sales manager.

B．A T-shirt producer.

C．A customer.

【小题2】How much discount of the T-shirts can be given on bigger orders?

A．20%.

B．40%.

C．60%.

【小题3】What does the woman mean at last?

A．The T-shirts will sell well.

B．Many people prefer to buy sweaters.

C．There is not much demand for the T-shirts.