Sean Bought a Home in 2010 for $625,000 Financing $550,000

Sean bought a home in 2010 for $625,000 financing $550,000 of the purchase price with a 30 year mortgage.In 2015 when his existing mortgage balance was $520,000,he took out a home equity loan for $150,000.He used the proceeds to pay off credit card debt of $40,000 and purchase a car for $85,000; the balance he used to buy an engagement ring for his girlfriend.In 2015 he paid $30,000 interest on the mortgage and paid interest only of $6,600 on the home equity loan.What is his deduction for qualified residential interest for 2015?

A) $36,600
B) $34,400
C) $30,000
D) $6,600