Q$1.$ A machine is bought for $\backslash (\backslash$$ $6,000\backslash ),$ and has a life of $5$ years and a salvage value of $\backslash (\backslash$$ $1,000\backslash )$ at the end of its lifetime. Using an MARR of $\backslash (15\backslash \%\backslash ),$ determine the depreciation deductions for each year of the asset's life. a$)$ Use straight$-$line depreciation. b$)$ Use $\backslash (150\backslash \%\backslash )$ declining balance switching to straight$-$line depreciation. c$)$ Use sum of the years' digits depreciation. d$)$ Use sinking fund depreciation. e$)$ Compare the four methods above using the present worth method and decide which is the best.