A company purchased a new truck at a cost of $42,000 on July 1, 2011. The truck is estimated to have a useful life of 6 years and a salvage value of $3,000. How much depreciation expense will be recorded for the truck for the year ended December 31, 2011?
a) $3,250
b) $3,500
c) $4,000
d) $6,500
e) $7,000