[speaker001:] What can I do for you?
[speaker002:] Yes. There is something wrong with my watch. It stopped several hours ago.
[speaker001:] Let me have a look. Oh, the watch 's battery is worn down.
[speaker002:] How much is a battery?
[speaker001:] $ 50.
[speaker002:] How long will it last?
[speaker001:] About 2 years.
[speaker002:] Here is the money.