Bramble Corporation purchased a boardroom table for $$18,000.$ The company planned to keep it for four years, after which it was expected to be sold for $$2,000.$

$($a$)$

Calculate the depreciation expense for each of the first three years under $(1)$ the straight$-$line method, and $(2)$ the doublediminishing$-$balance method, assuming the company purchased the table early in the first month of the first year.

$(1)$ Straight$-$line method.

Year $1$$

Year $2$$

Year $3$$

$(2)$ Double$-$diminishing$-$balance method.

Year $1$$

Year $2$$

Year $3$