What course is the student interested in?

Receptionist: Good morning. Can I help you?
Student: Yes, please. I’d like to have some information about the course at Swan School.
Receptionist: (5[B])Is that a summer course you are interested in? We have a short intensive full time course in summer.
Student: Oh? Yes, I’d like to know the length of one course.
Receptionist: Each course lasts for 3 weeks. And it is about 23 hours per week. Usually four and a half days a week.
Student: Ok. You must have lots of students in the class?
Receptionist: We have lots of students in the school, but in the classes only about 12 and 14 students.
Students: 12 and 14. Could you give me the dates of the first and second courses?
Receptionist: Certainly. The first course begins on July 3 and lasts until July 20 and (7[C]) the second is from July 24 to August 10.
Students: What about the fees per course?
Receptionist: Each costs $150 plus tax, which is 15%, and a $5 registration fee.
Students: Thank you. Do we have to find our accommodation?
Receptionist: We can do that for you. We have a lady who arranges it for you with college families.
Students: How much does it cost?
Receptionist: Well, you can Choose to have bed and breakfast only, which is $20 per week, (6[B]) or bed, breakfast and dinner which is about $27 a week.
Students: $27 a week. Thanks very much.
Receptionist: You are welcome.