How much does the stereo cost now?

M: Jesus Christ ! I just can’t believe my eyes ! I remember this type of stereo costs $ 800 a week ago.
W: Well, the price has gone up by 20%, you know.

W: Who do you think should get the promotion, Carol or David?
M: Carol is much more thorough in her work than David is.
W: I quite agree with you.
M: What’s more, Carol always have a moral compass for himself and is honest.