Stacy lived in NY for the last few years but moved to London for work on July 1, 2019 and remained in London for the remainder of 2019 and until she left London to return to NY for good on June 30, 2020. Her total wages paid for 2020 was $125,000.

a. Is Stacy eligible for the US foreign earned income exclusion for 2020 and, if so, what is the amount of such foreign earned income exclusion?

b. Assuming Stacy files as a full year NY tax resident for 2020 and that NY taxable income piggybacks off federal adjusted gross income, would the foreign earned income exclusion or foreign tax credit be more beneficial to Stacy purely for NY income tax purposes? Indicate which method would provide Stacy with the best NY income tax treatment and explain why.