There are total 3 back-to-back interviews for the AC if you are selected for the online testing and online interview. It will take about 2.5 hours in AC and normally, you will get the result within a week.

Why did you major in [Your Major]? If it was something related to business/economicsyou can discuss your interest in those fields; for other majorsyou can emphasize how you liked the challenge and/or had a personal interest in the fieldbut also took the time to learn the basics of business/finance on your own. Be prepared for this if you list any common languages on your resume(Spanish,French Italian,German,Chinese,Japanese,etc.) or if you happen to “get lucky" and your interviewer is a native speaker in one of the languages you've listed.