Elmo Inc. is a U.S. corporation with a branch office in foreign country Z. During the current year, Elmo had $372,000 of U.S. source income and $42,000 of foreign source income from Z, on which Elmo paid $19,600 of country Z income tax. a. Calculate Elmo's U.S. tax liability before foreign tax credit, maximum foreign tax credit allowable, and net U.S. tax liability after foreign tax credit. b. If Elmo had paid only $5,320 of country Z income tax, calculate Elmo's foreign tax credit allowable and net U.S. tax liability after foreign tax credit