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ptS An engineering firm spent $30,000 to purchase and install new computer equipment in its office. The computer equipment has a usable life of 6 years with a salvage value of $910. The company intends to use the computer equipment for only 3 years before it will be sold. Determine the book value (B) of the computer equipment after 3 years using sum-of-years-digits (SOYD) depreciation. Express your answer in $ to the nearest $10