Jim, a 42-year-old engineer, is unhappy about his yearly salary although it is the highest salary he has ever earned.

Jim, a 42-year-old engineer, is unhappy about his yearly salary although it is the highest salary he has ever earned. His wife, Carla, suggests that he vividly recall how little he earned at the age of 32. She also recommends that he watch a TV program about famine victims in Africa. Use your understanding of psychological principles to explain why Carla's suggestions might help to increase Jim's feelings of economic satisfaction.