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During the foreign tax credit interview, it initially asked for the foreign-source income.

That is the amount in the 1099-DIV box 1a  x 0.9034.

Next it asked for the foreign sourced qualified dividends and lt. cap. gains.

That is the amount in the 1099-DIV box 1a x 0.645. 

The lt. cap gains portion is the amount in the 1099-DIV box 2a.  Since the foreign amount cannot be determined, it can be ignored.