听一段材料，回答下面几个小题。
For whom does the woman buy the T-shirt?
A. Herself.                B. Her husband.               C. Her friend.
How much does the T-shirt normally cost?
A. $54.                   B. $60.                      C. $70.
Why does the salesman agree to sell the T-shirt at $48?
A. It is cheaper online.  B. He is in a hurry.         C. A button is lost.