Jacob is a hardworking employee in a public relations firm. He is very punctual and works ten-hour days. However, he earns less than his colleague who is irregular and works only seven-hour days. When Jacob comes to know of this, he becomes dejected and decides to quit his job. The given scenario exemplifies _____. Question 18 options: 1) equity theory 2) temporal motivation theory 3) job enrichment theory 4) Theory X