For each engagement described below, indicate whether the engagement is likely to be conducted under international auditing standards, or PCAOB auditing standards. a. An audit of a German private company with no public debt. b. An audit of a U.S. public company. c. An audit of a United Kingdom public company that is listed in the United whose financial statements will be filed with the SEC. States and d. An audit of a U.S. private company to be used for a loan from a publicly-traded bank. e. An audit of a U.S public company that is a subsidiary of a Japanese company that will be used for reporting by the parent company in Japan. f. An audit of a U.S. private company that has publicly-traded debt