san carlos corporation, a u.s. multinational, had pretax u.s. source income and foreign source income as follows: u.s. source income$ 400,000 foreign source income—country w300,000 total$ 700,000 san carlos paid $60,000 income tax to country w. assume san carlos’ foreign source income does not qualify as foreign-derived intangible income. calculate san carlos' tax savings if it takes a foreign tax credit rather than deducting this tax.