Karen, a U

Karen, a U.S. citizen, earns $40,000 of taxable income from U.S. sources, $20,000 in taxable wages from Country A and $20,000 in taxable interest from Country B. The U.S. tax rate is 25%. The tax on Country A income is $8,000, and Country B charges no tax on the interest income. Assuming two baskets are needed for the two types of income because the interest is passive income, Karen's foreign tax credit that can be claimed is

A) $10,000.
B) $20,000.
C) $5,000.
D) none of the above