Bombay Inc. bought new computers on January 1 for $18,000 to improve the quality of their animation. The computers have a useful life of 8 years but Bombay Inc. thinks that continuing technological developments will likely mean they will replace the computers after 4 years, at which time they will be worth $2,000. If they use straight-line depreciation, the depreciation expense for the first year will be

a)$2,000

b)2,250

c)4000

d)4500