About 23 hours.

W: Good morning. Can I help you?
M: Yes, please. I would want to have some information about the courses at Swan School.
W: Is that a summer course you’ re interested in?
M:Yes, please.
W: Yes, fine. Well, we have short intensive full-time courses during the summer.
M: I would want to know the length of one course.
W: Yes. Each course lasts for three weeks.
M: How many hours per week, please?
W: Well, it’ s about twenty-three hours a week. Usually four and a half days each week.
M: You must have a lot of students in the class, haven’t you?
W: We have a lot of students in the school but in die classes only about between twelve and fourteen students.
M: Twelve and fourteen. Could you please give me the dates of the first and the second course?
W: Yes, certainly. The first course begins on July 3 and lasts until July 20 and the second course is from July 24 until August 10.
M: What about the fees per course?
W: Yes, each course costs $ 150, and a $5 registration fee.
M: And deposit, please?
W: Yes, for each course we need a deposit of $ 20 and the registration fee.
M: Oh thank you. Do we have to find our own accommodation?
W: No, we can do that for you. We have a lady who arranges the accommodation for you with Oxford families.
M: How much does that cost? W: Well, you can choose to have bed and breakfast only, which is $ 20 a week, or bed, breakfast and dinner which is about $ 27 a week.
M: $ 27. Thank you very much.
W: You’ re welcome.