Prepare necessary adjusting entries and Adjusted Trial Balance

The trial balance of Nicole Consulting is dated May 31, 2021: During reviewing the financial data, these information were discovered: 1. $850 Office Supplies are still on hand at May 31. 2. Depreciation on equipment of $600 was omitted. 3. Uneanred services has been earned totaled $3,400. 4. The insurance policy is for a year. 5. Accrued but unpaid salaries of $1,750 were not included. 6. An electricity bill for $230 has not been recorded and will not be paid until next month. Required: Prepare necessary adjusting entries and Adjusted Trial Balance