Question Completion Status: > Moving to another question will save this response. >> Question 13 2 points Save Answer Mitya, Vanka, Alyosha, and Pavel are good friends. When Fyodor Dostoevsky's new book 'The Brothers Karamazov' came out last month, they all went to buy a copy. The price was 10 rubles. Their willingness to pay were as follows: Mitya: 35 rubles, Vanka: 30 rubles, Alyosha: 25 rubles, and Pavel: 20 rubles. Assuming there was no shortage of the book, the total consumer surplus was 90 rubles We cannot compute the total consumer surplus without information about the costs. 50 rubles 110 rubles 70 rubles Moving to another question will save this response.