- Interpreting and Applying Disclosures on Property and Equipment Following are selected disclosures from the 10-K report of Facebook Inc. Facebook reported 2018 sales figure! mon's depreciable assets. How do we interpret this LOG 555,838 million FACE INC. Property and Equipment, Net . 2018 2017 December 31, S millions Land Buildings. Leasehold improvements Network equipment Computer software, office equipment and other. Construction in progress. Total Less: Accumulated depreciation.. Property and equipment, net $ 899 7,401 1,841 13,017 1,187 7,228 31,573 (6,890) $24,683 $ 798 4,909 959 7,998 681 2,992 18,337 (4,616) $13,721 Depreciation expense on property and equipment was $3.68 billion and $2.33 billion during 2018 and 2017, respectively Required a. Compute the PPE turnover for 2018. b. Estimate the useful life, on average, for its depreciable PPE assets. c. By what percentage are Facebook's assets "used up" in 2018? What implication does the assets used up computation have for forecasting cash flows? d. Consider the ratios in parts a, b, and c. Interpret them in light of the company's age and business model. e. The list of PPE assets includes an asset labeled "Construction in progress." What is this asset and what types of costs are included on the balance sheet