Why does the woman need the job?

M: So, you’ve applied for the Saturday position, right?
W: Yes, I have.
M: Can you tell me what made you reply to our job offer?
W: Well, I was looking for a part-time job to help me through college.
M: Do you know exactly what you would be doing as a shop assistant?
W: Well, I imagine I would be preparing the shop for business, helping shoppers, and keeping a check on the supplies in the store.
M: What sort of student do you regard yourself as?
W: I suppose I’m a reasonable student. I passed most of my exams, and I enjoy studying subjects that interest me.
M: Now, do you have any questions for me about the job?
W: Yes, could you tell me what hours I’d have to work?
M: We open at 9: 00, but you would be expected to arrive at 8: 30. We close at 6: 00 p. m. , and you would be able to leave 10 minutes later. I think I have asked you everything I wanted to. Thank you for coming along to the interview.