A medical office using the double-declining-balance method of depreciation purchased office furniture costing $36,000 and put it in use on May 1. The furniture is expected to have a useful life of 10 years and an estimated resale value of $2,400. Refer to the Medical Office scenario. Compute the depreciation expense for May 1 through December 31 of the first tax year and all 12 months of the second and third years.