Cameron Inc. constructed a machine at a total cost of $338 milion. Construction was completed at the end of 2017 and the machine was placed in t service at the beginning of 2018. The machine was being depreciated over a 10-year life using the sum-of-the-years-digits method. By that method. accumulated depreciation at the end of 2020 is $162.0 million. The residual value is expected to be $8.0 million. At the beginning of 2021, Cameron. decided to change to the straight-line method. Ignoring income taxes, what will be Cameron's depreciation expense for 2021? Multiple Choice $44.0 million $8.8 million. $270 million. $24.0 million.