answer: #Person1# misreads the Hong Kong dollars into the US dollar for a jacket and #Person2# corrects him.
documents: #Person1#: This is a great jacket, but look at the price! HK $600! It's too expensive!
  #Person2#: No, wait, it's pretty reasonalbe. You're thinking in Hong Kong dollars, not US dollars. It's only about 100 US dollars.
  #Person1#: You're right.