The initial cost of purchasing a device is $$12,000.$ The salvage value of the device at the end of four years is $$3,500.$ Compute the depreciation schedule for the device by the following methods:

i$.$ Straight$-$line depreciation $(5$ pts$)$

ii$.$ Sum$-$of$-$years'$-$digits depreciation $(10$ pts$)$

iii. CCA depreciation as a Class $43$ asset $(10$ pts$)$

iv$.$ CCA depreciation as a Class $29$ asset $(10$ pts$)$