Some special handling devices can be obtained for $$20,000.$ At the end of $5$ years, they can be sold for $$2000.$ Compute the depreciation schedule for the devices using the following methods:

$($a$)$ Straight$-$line depreciation

$($b$)$ Double declining balance depreciation

$($c$)100\%$ bonus depreciation

$($d$)$ MACRS depreciation

$11-14$A

The company treasurer must determine the best depreciation method for office furniture that costs $$50,000$ and has a zero salvage value at the end of a $10-$year depreciable life. Compute the depreciation schedule using:

$($a$)$ Straight line

$($b$)$ Double declining balance