3. The market for many goods changes in predic ways according to the time of year, in response to events such as holidays, vacation times, seasonal changes in production, and so on. Using supply and demand, explain the change in price in each of the rol lowing cases. Note that supply and demand may shift simultaneously.se a. Lobster prices usually fall during the summer peak lobster harvest season, despite the fact that people like to eat lobster during the summer more than at any other time of year. b. The price of a Christmas tree is lower after Christ- mas than before but fewer trees are sold. The price of a round-trip ticket to Paris on Air France fol. by more than $200 after the end of school vaca. tion in September. This happens despite the fact that generally worsening weather increases the operating flights to Paris, and Air France reduces the number of flights to Paris at is to Paris, and Air France therefore price