4_(3 pts) With an initial cost of $500,000 and a salvage in 7 years of $20,000, what is the fourth year's depreciation using the following methods? a) Straight Line b) DDB c) MACRS (7-year property) Bonus: (1 pt) What is the depreciation in the 7th year for the DDB problem above? Yi Dep BV 0 1 2 3 4 5 ONM