As continues to increase, it will drive down freight costs, subsequently affecting EXPD's revenue.

Source: https://seekingalpha.com/article/4637938-expeditors-international-of-washington-anticipate-weakness-in-near-future?source=feed_all_articles

With respect to how EXPD's interest-bearing debt plays itself out on the income statement, we see that $25.8 million of interest expense was paid out of the company's operating profit ($1.358 billion) over the past four quarters.

Source: https://seekingalpha.com/article/4633629-expeditors-international-dividend-trends-by-the-numbers?source=feed_all_articles