11-42 An asset costs $150,000 and has a salvage value A of $15,000 after 10 years. What is the depreciation charge for the 4th year, and what is the book value at the end of the 8th year with (a) Straight-line depreciation? (b) Double declining balance depreciation? (c) 60% bonus depreciation with the balance using 7-year MACRS