The original cost of a physical asset was $45,000. It was purchased on January 5, 1995. It has an estimated useful life of 10 years and has been depreciated under the straight-line method for 5 years. At the end of the 6th year, after adjusting entries have been recorded and posted, the book value of the physical asset is which of the following?

Select one:

a. $22,500

b. $27,000

c. $18,000

d. $40,500