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 $16 million, installed. The salvage value at the end of 30 years is expected to be 9.5% 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. d1 = $ B1 = $ d5 = $ B5 = $ dlast year = $ Blast year = $ Carry all interim calculations to 5 decimal places and then round your final answer to the nearest dollar. Tolerance is + 100