Any help please?

Question 12 5.56 pts Penguin is one of the main paperback publishers that supply Barnes & Noble. Suppose that Penguin comes up with a new paperback edition of a book. Penguin sells the book to Barnes & Noble for $20 and Barnes & Noble sells it for $30. Barnes & Noble plans to sell them for a month at full price and after which, all unsold stock will be sold at discount for $10. Barnes & Noble' managers have come up with the following forecast for the book: Demand Probability 28,000 0.1 30,000 0.15 32,000 0.15 34,000 0.15 36,000 0.15 38,000 0.2 40,000 0.1 What is the unit underage (underestimating demand) cost, unit overage (overestimating demand) cost, and optimal order quantity? O 20, 30, and 36000, respectively 20, 10, and 38000, respectively 20,20, and 36000, respectively 20, 20, and 40000, respectively 10, 10, and 34000, respectively