Since 005, the annual sales of leading cars have continued to increase, and this year has exceeded the annual sales of world-famous brand A cars. At the same time, the repair volume of leading cars due to engine problems has also continued to rise. Which of the following conclusions is most likely to be derived from the above conclusions? ["Although the number of leading car repairs has increased year by year, this problem does not affect people's choice of leading cars.", 'Engine problems of leading cars are minor compared to other brand vehicles.', 'Issues affecting leading car sales before 2005 have been resolved.', 'A car repair rate must be higher than the leading car.']