Andrew and Vladimir are neighbours who enjoy consuming caviar. The demand curve for caviar for Andrew and Vlad are given as follows: Andrew: p = 40-q Vladimir: p = 80 - 4q If Andrew and Vladimir are the only two consumers of caviar the market demand curve is kink at the price equals to: *a. p = 40 b. p = 20 c. p = 10 d. p = 25