Comparing three depreciation methods

Required: when determining the depreciation rate. Round the final answers for each year to the nearest whole dollar

$1.$ Determine the amount of depreciation expense for the $3$ years ending December $31.$ by $($a$)$ the straight$-$line method, $($b$)$ the units$-$of$-$activity method, and $($c$)$ the double$-$declining balance method. Also determine the total depreciation expense for the $3$ years by each method. Do not round indeterminate calculations when determining the depreciation rate. Round the final answers to the nearest whole dollar.

$2.$ What method yields the highest depreciation expense for Year $1?$

$3.$ What method yields the most depreciation over the $3-$year life of the equipment?