Select the best issue statement to include in a tax research memorandum: Group of answer choices Issue: Whether dividend income must be included in income by the U. S. parent under IRC sec. 61(a)(7). Issue: Whether dividends received by a U. S. corporation related to an investment in a privately-held corporation must be included in income pursuant to IRC sec. 61(a)(7). Issue: Whether dividends paid by a foreign corporation must be included in gross income pursuant to IRC sec. 61(a)(7). Issue: Whether dividends received by a U. S. corporation related to an investment must be included in income pursuant to the Internal Revenue Code.