2. Foreign Earned Income Exclusion. (Obj. 1) From October 6, 2018 until September 5, 2019, Jack was sent to work at his employer's office in Rome, Italy. Jack's salary during 2018 was $72,000. Of chis amount, $18,000 was earned while working in Rome. a. How much of Jack's salary can be excluded from gross income in 2018? b. How, if at all, would your answer to Part a differ if Jack's assignment lasted until August 72019