Equipment is purchased for $50,000 and is expected to last 10 years with no salvage value. After using the asset for 4 years, the company estimates that at the end of its useful life, the salvage value will be $6,000. in the 5th year of owning the asset, amortization expense will be: Select one: A. $4,000 B. $5,000 C. $9,000 D. $4,400