Profitable in three or Profitable within the last three tax years, including the current year Pursuing profit in three of the last five tax years, including the current year. Pursuing profit within the last five tax years, including the current year, Mark for follow up 1 Question 33 of 75. Which of the following situations would warrant the use of the standard mileage rate? A taxpayer has 80% business use of their vehicle and maintains a mileage log with all required information A taxpayer has five or more cars used at the same time (a fleet of vehicles) in his business A rural mail carrier's vehicle when the carrier received qualified reimbursement. A vehicle in the second year of service for which the standard mileage rate was not used in the first year of service, Mark for follow up state E