A line cook at a restaurant was inspired to become a chef, but he lacked the necessary training. The line cook asked the chef at the restaurant if he could borrow $2,400 to take a professional cooking class. The chef agreed in a writing signed by both parties to loan him the money, provided that the line cook repaid her $200 each month for a year, beginning when the six-month class was over. The line cook made the first payment, but then missed the next two payments. The chef brought an action against the line cook prior to the time the fourth payment was due. How much is the chef entitled to in a judgment against the line cook? Answers:
A. Nothing, because the entire loan amount was not yet due.
B. $400
C. $600
D. $2,400