For each engagement described below, indicate whether the engagement is likely to be conducted under international auditing standards, AICPA auditing standards, or PCAOB auditing standards. 

a. An audit of a public company headquartered in the U.S. listed only on U.S. exchanges. 

b. An audit of a not-for-profit organization with operations in Pennsylvania. 

c. An audit of a private company in the U.S. with public debt traded on a U.S. exchange. 

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 German private company with public debt in Germany. 

f. An audit of an international nonprofit relief agency headquartered in Switzerland. 

g. An audit of a U.S. broker-dealer registered with the SEC. 

h. An audit of a Mexico-based company whose stock is listed on stock exchanges in the U.S. and whose financial statements will be filed with the SEC.

i. 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.