[单选题]
Acme Corp. purchased a new stamping machine for $100,000, paid $10,000 for shipping, and paid $5,000 to have it installed in their plant. Based on an estimated salvage value of $25,000 and an economic life of six years, the difference between straight-line depreciation and double-declining balance depreciation in the second year of the asset's life is closest to:
A.$7,220.
B.$10,556.
C.$16,666.