Answer:
the requirements are missing, but I guess that you need to make the year-end adjustment entries
A) A count of supplies revealed $1,800 worth on hand at December 31, 2018.
Dr Supplies expense 2,000
Cr Supplies 2,000
B) An insurance policy, purchased on January 1, 2018, covers four years.
Dr Insurance expense 1,900
Cr Prepaid insurance 1,900
C) The equipment depreciates at a rate of $2,400 per year; no depreciation has been recorded for 2018.
Dr Depreciation expense 2,400
Cr Accumulated depreciation 2,400
D) One half (or 50%) of the amount recorded as Deferred Revenue remains deferred as of December 31, 2018.
Dr Deferred revenues 6,000
Cr Service revenue 6,000
E) The accrued amount of salaries and wages at December 31, 2018 is $3,400.
Dr Wages expense 3,400
Cr Wages payable 3,400
