A gas-powered electric generator is purchased by a public utility as part of an expansion program. It is expected to be useful, with proper maintenance, for an estimated 30 years The cost is $17.5 million, installed. The salvage value at the end of 30 years is expected to be 10.5% of the original cost. a. What is the MACRS-GDS property class? b. Determine the depreciation deduction (d:) and the unrecovered investment (B) for years 1, 5, and the last depreciable year of the generator. ast year$ ear carry all interim calculations to 5 decimal places and then round your final answer to the nearest dollar.. Tolerance is +-10