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3. A company purchases a new machine for $99000 units of production on January 1, 2014. Its predicted useful life is 7 years or 140000 units of product and its residual value is $8000. During 2014, $20000 units of product are produced. Calculate the book value of the machine using a. Straight line method (include graphs) b. Double decline method 3. A company purchases a new machine for $99000 units of production on January 1, 2014. Its predicted useful life is 7 years or 140000 units of product and its residual value is $8000. During 2014, $20000 units of product are produced. Calculate the book value of the machine using a. Straight line method (include graphs) b. Double decline method