In early January 2011, LabTech purchases computer equipment for $147,000 to use in operating activities for the next four years. It estimates the equipments salvage value at $30,000.

Prepare a table showing depreciation and book value for each of the four years assuming double-declining-balance depreciation. (Leave no cells blank - be certain to enter "0" wherever required. Omit the "$" and "%" signs in your response.)