Turbo is a U.S. corporation. This year, it earned $5 million before-tax income and paid $175,000 income tax to jurisdictions other than the United States.

a. Compute Turbo's U.S. federal income tax assuming that the other jurisdictions were Ireland and Germany, and Turbo's foreign tax credit was not limited.

b. Compute Turbo's U.S. federal income tax assuming that the other jurisdictions were the states of Pennsylvania and New Jersey.