In a very small town, Anna and Sumeet are the only potential buyers from the local fisherman. Anna's demand function for pounds of fish is given by =20 q = 20 p , where q is the number of pounds of fish demanded, and p is the price of a pound of fish. Sumeet has the same reservation price as Anna. However, at any price below the reservation price, Sumeet is willing to buy twice as many pounds of fish as Anna. what Anna's reservation price $