Russell Starling,an Australian Citizen and Resident,received the Following Investment Income

Multiple Choice

Russell Starling,an Australian citizen and resident,received the following investment income during 2017: $5,000 of dividend income from ownership of stock in a U.S.corporation,$10,000 interest from a certificate of deposit in a U.S.bank,$3,000 of interest income earned from a loan to Clint Westwood,a U.S.citizen,and $2,000 capital gain from sale of a stock in a U.S.corporation.How much of Russell's income will be subject to U.S.taxation in 2017?

A) $20,000.
B) $15,000.
C) $10,000.
D) $8,000.