Robert is deciding whether to remain in the home he has lived in for the past ten years, which is located very near his work, or to move into a newer...

Robert is deciding whether to remain in the home he has lived in for the past ten years, which is located very near his work, or to move into a newer home that is located in the suburbs further from his job. The old house was purchased for $140,000 and has a market value of $200,000. The new home can be purchased for $275,000. Which of the following is not relevant to Robert's decision?