Carla Vista Airlines purchased a $777$ aircraft on January $1,2026$ at a cost of $$40,800,000.$ The estimated useful life of the aircraft is $20$ years, with an estimated salvage value of $$6,120,000.$

Compute the accumulated depreciation and book value at December $31,2028,$ using the straight$-$line method and the doubledeclining$-$balance method.

$\backslash$table$[[,,$Straight$-$line,Declining$-$balance$],[$Accumulated depreciation,$$,$$$,],[$Book value,$$,$$$,]]$

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