please see attachment below

6. The diagram below shows the supply and demand curves for a book. Which of the following is correct? 20 15 Supply curve Price, P ($) 10 P UT Demand curve 0 0 UT 10 15 20 Q* 25 30 35 40 45 Quantity of books, Q A) 40 books will be sold in total. B) At a price of 5 there would be an excess demand for books. C) At the price P there is a deadweight loss of 96. D) Sellers in this market are price-setters