answer: Dan cannot increase the salary since money is too tight this year.
documents: #Person1#: I'm afraid we can't increase salary this year, money is just too tight.
  #Person2#: I'm not sure. I can't agree, dan.
  #Person1#: Why not?
  #Person2#: Surely, there are other ways to save money.
  #Person1#: What are you talking about, we've tried everything!