Instructions Full Game: These are multiple-choice quizzes with four possible answer choices that include all questions in a given set.     
On the 2020 Fortune 500 list, what company, based in Dallas, Texas, and headed by John Stankey, came in at position #9?
AmerisourceBergen (ABC)
AT&T (T)
Amazon.com (AMZN)
Costco Wholesale (COST)