The Hilton Skating Club used straight-line depreciation for a used Zamboni ice-resurfacing machine that cost $47,500, under the assumption it would have a four-year life and a $5,800 trade-in value. After two years, the club determined that the Zamboni still had three more years of remaining useful life, after which it would have an estimated $4,090 trade-in value. Required: 1. Calculate the Zambonis book value at the end of its second year. 2. Calculate the amount