CPA Exam is probably the most difficult exam I ever took. It covers 6 courses, Accounting, Economic Laws, Financial Cost Management, Corporate Strategy and Risk Management, Auditing, and Tax Laws. Contrary to TOEFL, GRE, and GMAT, which are expensive to take but easy to pass, CPA exam is cheap to register but difficult to pass. I see CPA exam a good supplement to my MBA study and a good preparati…