I. Room air conditioners produced by Japanese manufacturers tend to be more reliable than those produced by United States manufacturers. II. The average lifetime of room air conditioners produced by United States manufacturers is about fifteen years, the same as that of room air conditioners produced by Japanese manufacturers. Which one of the following, if true, would best reconcile the two statements above? ['Reliability is a measure of how long a product functions without needing repair.', 'Damage to room air conditioners during shipping and installation does not occur with great frequency in the United States or in Japan.', 'Production facilities of firms designated as United States manufacturers are not all located in the United States.', 'Japanese manufacturers often use more reliable components in their room air conditioners than do United States manufacturers.']