Double-Declining Balance Depreciation

In early January 2011, Lab Tech purchased computer equipment for $147,000 to use in operating activities for the next four years. It estimates the equipment salvage value at $30,000. Prepare a table showing depreciation and book value for each of the four years assuming straight line depreciation.

Refer to the information and prepare a table showing depreciation and book value for each of the four years assuming double declining balance depreciation.