se the following information to answer the next four questions: Assume a firm purchases a machine on January 1, 2018, for $300 The firm estimates that the machine will last five years and can then be sold selvage value of we What is the depreciation charge and balance in accumulated depreciation as of December 31, 2018, and December 31, 2019, under each of the following methods? 2018 2019 Depreciation Expense AD Depreciation Expense AJD 19. Straight line 20. SYD 21. DDB 22. After one year using S/L the firm changes the estimated life to 7 years Assume salvage value remains the same What is the new depreciation for 2019 and beyond