During 2013, the Sanchez Co. incurred and recognized $30,000 in warranty expense on its income statement, but reported only $15,000 in warranty expense on its income tax return. The additional $15,000 will be deductible on the tax return during the next year when additional warranty claims are paid. Assuming a 40% tax rate, which of the following items would show up in the 2013 financial statements?
a. Deferred income tax asset of $15,000.
b. Deferred income tax liability of $15,000.
c. Deferred income tax asset of $6,000.
d. Deferred income tax liability of $6,000.