Calculate average life, averageage of non-current assets, and asset turnover. LO1, 14 In its 2019 annual report, Fish Ltd reports beginning total assets of $37.42 billion; ending total assets of $35.58 billion; beginning property, plant and equipment (at cost) of $40.8 billion; ending property, plant and equipment (at cost) $39.2 billion; ending accumulated depreciation of $9.6 billion; depreciation expense of $1600 million; and net sales of $21.17 billion. (a) Calculate the average useful life of Fish's property, plant and equipment. (b) Calculate the average age of Fish's property, plant and equipment. (c) Calculate Fish's asset turnover.