Use the depreciation schedule below for the three depreciation methods: Can't depreciate below salvage and, accordingly, must switch to straight-line method at appropriate time. What is the $ effect on working-capital in year 1? What is the $ effect on capital expenditures in year 1? Ignoring accumulated depreciation, what is the $ effect on total assets in year 1? What is the gain or loss on selling the machine in year 4? What is the $ effect on retained earnings as of the end of year 4