What are the major differences between the two accounting standards?

For this paper please write answer the following two questions. There are no text books for this paper it is based on your opinion (unless otherwise noted). If references are needed please use APA to site those. This paper should be 2 pages in length. Use desired length as seen fit to answer each question.
Unit 7: If you were the CFO for a $10 billion-a-year international company headquartered in Ireland, which accounting rules would you recommend your company to follow: U.S. GAAP or IFRS? Are these rules comparable? What are the major differences between the two accounting standards? What was your rationale for choosing a rule?
Unit 8: Discuss how the concepts in this course can be applied to real-world situations and increase your chances of career or life success. Also, Research suggests many expatriate employees encounter problems that limit both their effectiveness in foreign assignments and their contributions to the firm once they return home. What do you see as the primary causes and consequences of these problems? What can a firm do to reduce the occurrence of such problems?