The chart shows the pricing history for two items. which person saved the most money by buying a product at the right time? carrie, who waited six months to buy a game system timothy, who bought a game system right away because it was popular eugene, who bought a phone immediately for fear they would sell out marlene, who waited six months to buy a phone

White truffles are a very prized and rare edible fungus that grow naturally in the countryside near alba, italy. suppose that it costs $200 per day to search for white truffles. on an average day, the total number of white truffles (t) found in alba is t = 20x − x 2 , where x is the number of people searching for white truffles on that day. white truffles can be sold for $100 each. if there is no regulation, how many more people will be searching for white truffles than the socially optimal number?