The following information is available for Zip Corporation: The company accountant, in preparing financial statements for the year ending December 31,2021 , has discovered the following information: The company's previous bookkeeper, who has been fired, had recorded depreciation expense on equipment in 2019 and 2020 using the double-declining-balance method of depreciation. The bookkeeper neglected to use the straight-line method of depreciation which is the company's policy. The cumulative effects of the error on prior years was $35,000, ignoring income taxes. Depreciation was computed by the straight-line method in 2021