To give it credit, Japanese cars are now among the best in class, and can be enjoyed on a global market at a “reasonable” price. Took them a few decades to get there though. When/if Chinese manufacturers get to that level - that would be a win for the common consumer anywhere. And European companies with their trend to sell less, but more expensive, cars, will likely be outcompeted.
We can divide by t and then we get 2-1=1. Simples!