Use the data for questions 39&40 : John's 5-year-old Hyundai Elantra requires repairs estimated at $3,000 to make it roadworthy again. His friend, Julie, suggested that he should buy a 5-year-old used Honda Civic instead for $3,500 cash and sell the Elantra. Julie estimated the following costs for the two cars: List below any cost(s) that are irrelevant to John's decision and briefly describe why: What is the difference in cash flow for the first year between buying the Honda Civic (selling the Elantra) and fixing the Hyundai Elantra? What course of action should John take