Shaggy Limited purchased a new van on January 1, 2011. The van cost $20,000. It has an estimated life of five years and the estimated residual value is $5,000. Shaggy uses the double-declining-balance method to compute depreciation. What is the depreciation expense for 2011?

A) $3,000

B) $8,000

C) $4,000

D) $6,000