Ted and Esther filed a Form 7004 for an extension for their 2XX9 joint Form 1040 income tax return. Ted and Esther made payments for 2XX9 through withholding only. They hired Arnie the accountant to prepare their original return, which ended up showing a refund of $100,000. Arnie advised that they had plenty of time, but that [mm/dd/yyyy] was the absolute last day to file their return in order to obtain a full refund of their overpayment. What is that date?

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To determine the absolute last day to file their return in o... View the full answer