Comparing three depreciation methods equipment was used for $10,800$ hours during Year $1,8,100$ hours in Year $2,$ and $8,100$ hours in Year $3.$

Required: year to the nearest whole dollar.

Depreciation Expense

$\backslash$table$[[$Straight$-$Line,$\backslash$table$[[$Method$]],\backslash$table$[[$Units$-$of$-$Activity$],[$Method$]],\backslash$table$[[$Double$-$Declining$-],[$Bealance Method$]]],[$Year $1,$vdots,$$,$$