There is no simple answer about which type of test to take. Breath test machines do not retain a portion of the breath to be independently retested. However, there are many ways to impeach the accuracy of the machines.
While there are no strict CPA exam study requirements, the American Institute of CPAs (AICPA) generally recommends that exam candidates spend 300 to 400 hours preparing for the exam. However, the recommended amount of time spent studying for each exam section varies. study about 3 hours after I get off work everyday and about 8 hours a day on the weekend. I read all of these forums about people saying that 160 hours is more than enough time to study!
The Uniform CPA Examination is a prerequisite to obtaining a CPA license in all U.S. territories and states. Candidates do not have to take all four sections at one time, but most state boards require candidates to complete all sections within 18 months of taking the first section.