Which of the following expenses are not deductible education expenses in a business? Mark, a CPA who manages his business, takes MBA classes to improve his skills of managing his practice. Fred takes continuing education classes to maintain his CPA license for his tax practice O Milly, who has a tax advisory practice, incurs cost to attend courses on specialized tax law at a local law schoot. Janice incurs several thousands of dollars in cost to prepare for and sit for the CPA exam. All of the above are deductible business education expenses