When do the painting classes start?

M:   Hello. I’d like to ask about the painting classes.
W: OK. We have some classes starting on February 20th which last seven weeks and meet twice a week.
M:   How much do they cost?
W:    $ 140. That’s  $ 10 for each lesson.
M:   How much do they cost if I am a member of the painting club?
W:  It’s half price. Members pay half.
M:  I see.
W: And classes start in February. You should come to put down your name on February 16th or 17 th if you have decided to attend the classes.
M:  Thanks.