Multi-select problem: How does the next paragraph end?

How to earn a phd in accounting
Take all necessary academic prerequisites.
Some phd programs in accounting require a bachelor's degree in accounting, business, economics or finance. Other programs allow you to obtain an undergraduate degree in any subject as long as you satisfy prerequisite courses, which typically include a fundamental accounting course, calculus, linear algebra, statistics and probability.

Available options: [I] A phd degree typically takes four years. Go to work for an accounting firm.. [II] Obtain at least two years of prerequisites. A year worked as a secret auditor or as an assistant on a team may typically be sufficient for at least 2 years if you graduate.. [III] Apply for the undergraduate degree after earning to work as a short-term assistant to a previously employed professor. For example, if you currently had a ph.d.. [IV] Check the prerequisite list of the specific program you're interested in applying to. If you are unsure, contact the university department directly with your questions..
[IV]