Problem-8 Consider a piece of equipment that costs $70,000 (assume value of X more than 0] with an estimated useful life of 6 years and a $5,000 (assume value of X more than 0 salvage value. Calculate depreciation using the double-declining method. Find the Opening Book and the Ending Book Value Problem - 9 Consider that a machine costs $80,000 (assume value of X more than 0] with an estimated total unit production of 80 million and a $5000 (assume value of X more than 0) salvage value. Annual and total production plans are following, compute depreciation Year 1 2 3 4 5 6 7 8 Production Million Units 3 7 10 20 15 12 8 5 Required: Find the Opening Book and the Ending Book Value