Saved Help Save & Exit Submit On January 3, 2020, Xenex Innovations purchased computer equipment for $138,000. The equipment will be used in research and development activities for five years or a total of 9,000 hours and then sold for about $21,000. Assume actual usage in hours of: 2020 1,700 2021 2022 1,850 3,100 2023 3,050 2024 3,400 Required: Calculate depreciation expense and book values for each year of the equipment's life for each method of depreciation using the table provided below. Xenex's year-end is December 31. (Do not round intermediate calculations.) Double-Declining-Balance Straight-Line Depreciation Year Expense Book Value at December 31 Depreciation Expense 2020 2021 2022 2023 2024 Book Value at December 31 Depreciation Expense Units-of-Production Book Value at December 31 Prev 1 of 9 Next >