Open Text Corporation's financial statements contain the following selected data (in U.S. $ millions): 2019 2018 Total assets $7,934 $7,765 Total liabilities 4,049 4,048 Net Income 286 242 Income tax expense 155 144 Interest expense 137 139 (a) Calculate the debt to total assets and times interest earned ratios for 2019 and 2018. (Round answers to 1 decimal place, e.g. 17.5% or 6.3.) Debt to total assets Times interest earned 2019 times Improved Deteriorated solvency improve or deteriorate in 2019? 2018 times Carla Vista Ltd. purchased a delivery truck on January 1, 2021, at a cost of $87,440. The truck is expected to have a residual value of $7,240 at the end of its 4-year useful life. Carla Vista has a December 31 year end. Use the diminishing-balance method and assume the depreciation rate is equal to double the straight-line rate. Calculate the depreciation for each year of the truck's life. (Round answers to O decimal places, e.g. 5,275.) Depreciation expense 2021 $ 2022 $ 2023 $ 2024 $ Calculate the depreciation in total over the truck's life. Total depreciation expense $