Warbler Ltd purchased a hi$-$tech Machine for $$15000,$ net of GST$.$ Originally it had

an estimated useful life of $4$ years and a residual value of $$3000.$ The straight$-$line

method was used. At the start of the third year of usage Warbler Ltd revised the life of

the Machine. It now has a further life of $6$ years, but the estimated residual value has

been amended to nil. Depreciation method remains unchanged. What depreciation

expense should be recorded for the Machine for year $3?$

$($a$)$ $$1000$

$($b$)$ $$1500$

$($c$)$ $$3000$

$($d$)$ $$4000$

$($e$)$ $$2500$