The following data (in millions) were adapted from recent annual reports of United Parcel Service, Inc. (UPS). UPS provides delivery and freight services throughout the world. Vehicles Year 2 $ 7,542 15,801 Year 1 $ 6,762 15,772 Aircraft Land 1,145 1,163 Buildings 6,542 6,376 Equipment 9,291 8,834 Construction in progress 299 244 Less accumulated depreciation (22,339) (21,190) a. Compute the net property, plant, and equipment (book value) for Years 1 and 2. Year 2 book value $ 17,901 x million Year 1 book value $ 18,281 x million