Apple Inc. (AAPL) designs, manufactures, and markets personal computers and related software. Apple also manufactures and distributes music players (iPod), mobile phones (iPhone), and smartwatches (Apple Watch) along with related accessories and services, including online distribution of third-party music, videos, and applications. The following information was taken from recent annual report of Apple: Property, Plant, and Equipment (in millions): Current Year Preceding Year $10,185 $6,956 Land and buildings Machinery, equipment, and internal-use software 44,543 37,038 Other fixed assets 6,517 5,263 Accumulated depreciation and amortization (34,235) (26,786) a. Compute the book value of the fixed assets for the current year and the preceding year. Current year book value (in millions) Preceding year book value in millions) A comparison of the book values of the current and preceding years indicates that they million of additional fixed assets, which was offset by the additional depreciation expense of $ . A comparison of the total cost and accumulated depreciation reveals that Apple purchased $ million taken during the current year. b. Would you normally expect Apple's book value of fixed assets to increase or decrease during the year