Straight$-$Line, Declining$-$Balance, and Sum$-$of$-$the$-$Years'$-$Digits Methods

A light truck is purchased on January $1$ at a cost of $$20,000.$ It is expected to serve for eight years and have a salvage value of $$4,000.$ Calculate the depreciation expense for the first and third years of the truck$$s life using the following methods. Round your answers to the nearest cent.

Depreciation Expense

Year $1$ Year $3$

$1.$ Straight$-$line $fill in the blank $1$

$2,000$

$fill in the blank $2$

$2,000$

$2.$ Double$-$declining$-$balance $fill in the blank $3$

$fill in the blank $4$

$3.$ Sum$-$of$-$the$-$years'$-$digits $fill in the blank $5$

$3,555\mathrm{.}56$

$fill in the blank $6$