Gratuities: A customer has a large sailing yacht on a vessel that your company will be discharging. The customer is present and is watching the off-loading operation. The five stevedores you manage pull off a very tricky maneuver, safely transferring the yacht to the trailer. The customer is elated, and reaches into his pocket, pulling out a big wad of $50 bills. What do you do?

Alaska king crab fishing in the 1960s and '70s was a dangerous but rich fishery. boats from as far away as california and japan braved the treacherous gulf of alaska crossing to reach the abundant king crab beds in cook inlet and bristol bay. suddenly, in the early 1980s, the fishery crashed due to over fishing. all crabbing in those areas ended. to this day, there is no crabbing in bristol bay or cook inlet. a. how would an economist explain the decline of the alaska king crab fishery