Answer:
April 15, 20x4
Step-by-step explanation:
Ms. Marshall can file for a refund until the later of the following 3 dates:
- 3 years from her original tax filing (February 15, 20x4)
- 3 years from the due date of her original tax filing (April 15, 20x4)
- 2 years since paying her taxes (December 31, 20x2)
In this case, the later date would be April 15, 20x4