Take context from the input text and decide on the accurate relationship between 'Boeing' and 'Boeing Capital' from the options provided.
Options: headquarters location, distributed by, original broadcaster, business division

Boeing Capital Corp. (IDR A) does not have an order book, but serves as a contingent financing source for Boeing customers, suggesting they too could have an increased funding burden under the scenario whereby airlines do not have access to capital markets or Ex-Im funding to finance aircraft purchases.
business division