Reno Corporation, a U.S. corporation, reported total taxable income of $15,000,000 in 2018. Taxable income included $4,800,000 of foreign source taxable income from the company's branch operations in Canada. All of the branch income is general category income. Reno paid Canadian income taxes of $1,680,000 on its branch income.

a) Compute Reno's creditable foreign taxes in 2012.

b) Net U.S. tax liability after the foreign tax credit for 2012.

c) Excess credits carried over to 2019.