Which of the following criteria is necessary for every good meeting? 1. there should be a detailed agenda 2. only the necessary people should be invited 3. the agenda should be a secret until the meeting begins 4. the meeting should last one hour 5. the members of the meeting should treat each other with respect a. only 1 and 2 b. only 1, 2, and 5 c. only 1, 2, 4, and 5 d. all of the options, 1-5

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?