Please explain how to Journalize the adjusting entries.

An accountant made the following adjustments at December 31, the end of the accounting period:

1. Prepaid insurance, beginning, $500. Payments for insurance during the period, $2,000. Prepaid insurance, ending, $400.
2. Interest revenue accrued, $2,500.
3. Unearned service revenue, beginning, $1,700. Unearned service revenue, ending, $300.
4. Depreciation on building, $5,600.
5. Employees' salaries owed for two days of a five-day work week; weekly payroll, $19,000.
6. Income before income tax, $21,000. Income tax rate is 35%.