Dexter Industries purchased packaging equipment on January $8$ for $$901,600.$ The equipment was expected to have a useful life of four years, or $8,800$ operating hours, and a residual value of $$74,400.$ The equipment was used for $3,080$ hours during Year $1,1,848$ hours in Year $2,2,464$ hours in Year $3,$ and $1,408$ hours in Year $4.$

Required:

$1.$ Determine the amount of depreciation expense for the four 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 four years by each method. Round the answer for each year to the nearest whole dollar.