Beckman Enterprises purchased a depreciable asset on October 1, Year 1 at a cost of $100,000. The asset is expected to have a salvage value of $15,000 at the end of its five-year useful life. If the asset is depreciated on the double-declining-balance method, the asset's book value on December 31, Year 2 will be:

$27,540

$90,000

$54,000

$18,360

$21,600