E11-5 Sumner Corporation purchased a molding machine on January 3, 2001. The machine cost $18,000 and has no salvage value. It has an expected useful life of five years. The company uses double-declining balance depreciation, with a switch to straight-line when the straight-line method applied to the remaining depreciable cost results in greater de- preciation expense than double-declining balance Required: Compute the annual depreciation expense in each of the five years