10 Question (1 point) e See page 286 Hiro, Francesca, and Luis are the only three buyers of gold in a small mining town. Their inverse demand functions for gold are as follows: Hiro: p = 20 - QH Francesca: p = 10 - 2F Luis: p = 5 - QL 4 QH. Q F, and Q L are the quantities (in ounces) demanded by Hiro, Francesca, and Luis, respectively. V 12th attempt Feedback See Hint Because Hiro, Francesca, and Luis always go shopping for gold together, the seller must sell at the same price to all of them. Suppose the seller is selling 18.00 ounces of gold. Then the marginal revenue equals $ * 3.43 . Give your answer to two decimals