A company purchased a computer system on March $1.$ Its cost was $$40,000,$ and it had an estimated salvage value of $$8,000.$ It was expected to have a useful life of five years. To the nearest dollar, the depreciation for year $1$ using straight $-$ line depreciation will be: $($Assume company year $-$ end is December $31.$ Do not round any intermediary calculations and round your final answer to the nearest dollar.$)$

A$.$ $$8,000.$

B$.$ $$5,333.$

C$.$ $$10,000.$

D$.$ $$6,000.$