Acme Corp. purchased a new stamping machine for $100000, paid $10000 for shipping, and paid $ 5000 to have it installed in their plant. Based on an estimated salvage value of $ 25000 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．$15000.
B．$16666.
C．$10556.
