What did the woman say about the exam?

M. Excuse me, but I didn’t hear clearly what you said. Did you say that your teaching assistant would mark the exam papers?
W: No. I said he would collect the papers. I’ll grade them myself.

M: Of the two houses we have seen, which one do you think fits our needs better, the first one or the second one?
W: The second one. It seems very expensive. But in the long run, it will save us the money on the maintenance.