On January 1, 2018, a 70%-owned Subsidiary company sold truck to its Parent company for $60,000. The Subsidiary's books showed original cost and accumulated depreciation of $80,000 and $44,000, respectively, at the date of sale. The equipment had a remaining life of four years, and is straight-line depreciated.

As of December 31, 2019, the unconfirmed gain on the truck is

Group of answer choices

$6,000

$18,000

$12,000

$24,000