Wardell Company purchased a mainframe on January $1,2016,$ at a cost of $$57,000.$ The computer was depreciated using the straightline method over an estimated five$-$year life with an estimated residual value of $$6,000.$ On January $1,2018,$ the estimate of useful life was changed to a total of $10$ years, and the estimate of residual value was changed to $$1,200.$

Required:

Prepare the year$-$end journal entry for depreciation in $2018.$ No depreciation was recorded during the year.

Prepare the year$-$end journal entry for depreciation in $2018.$ Assume that the company uses the sum$-$of$-$the$-$years'$-$digits method instead of the straight$-$line method.

Answer is complete but not entirely correct.

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Required $1$

Prepare the year$-$end journal entry for depreciation in $2018.$ Assume that the company uses the sum$-$of$-$the$-$years'$-$digits method instead of the straight$-$line method. $($If no entry is required for a transaction$/$event$,$ select $"$No journal entry required" in the first account field.$)$

$\backslash$table$[[$No$,$Event,General Jou,,Debit,Credit$],[1,1,$Depreciation expense,$0,4,400,],[,,$Accumulated depreciation$-$computer,$0,,4,400$