Accounting Changes and Restatements PROBLEM F GyPSy began business in 2015. It was revealed in 2018 that GyPSy had intentionally misstated depreciation expense (on its GPS devices that tourists rent during their stay in Hawaii- helping them find hot lava) in prior years by using an incorrect useful life. This error was discovered on 12131/2018. Because of this error, depreciation expense for GyPSy was misstated as follows