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.
Refer to the input text as context and select the correct relationship between 'Boeing' and 'Boeing Capital' from the available options.
Options: member of, subsidiary, chief executive officer, creator