Which of the following is not a legal defense for a tax fraud involving underpayment of tax? Select one: O a. Establish that an innocent spouse did not know and did not have reason to know of the facts surrounding the underpayment of tax in a joint income tax return. b. Establish that there is a good faith misunderstanding of the tax law concerning the alleged underpayment of tax in a joint income tax return. O O c. Establish that the underpayment of tax is due to unreported incomes that are attributable to the innocent spouse in a joint income tax return. O d. Establish that there is no deficiency in the alleged underpayment of tax in a joint income tax return. Which of the following is an unlikely red flag for detecting a chiropractor care fraud? Select one: O a. The chiropractor does not solicit the patient's family members for treatment. b. The chiropractor offers a patient vitamin cures, nutritional remedies, and homeopathic remedies. c. The chiropractor's treatment ends when a patient's insurance benefits are exhausted, but re-contacted the patient for treatment when insurance benefits are renewed. O d. The chiropractor takes repeated full spine x-rays of a patient