Cullumber Company has the following balances in selected accounts on December 31, 2020. Accounts Receivable $0
Accumulated Depreciation—Equipment 0
Equipment 8,000
Interest Payable 0
Notes Payable 10,000
Prepaid Insurance 3,960
Salaries and Wages Payable 0
Supplies 2,200
Unearned Service Revenue 28,000

All the accounts have normal balances. The information below has been gathered at December 31, 2020.

1. Cullumber Company borrowed $11,400 by signing a 9%, one-year note on September 1, 2020.
2. A count of supplies on December 31, 2020, indicates that supplies of $820 are on hand.
3. Depreciation on the equipment for 2020 is $1,200.
4. Cullumber Company paid $3,960 for 12 months of insurance coverage on June 1, 2020.
5. On December 1, 2020, Cullumber collected $28,000 for consulting services to be performed from December 1, 2020, through March 31, 2021. The company had performed 1/4 of the services by December 31.
6. Cullumber performed consulting services for a client in December 2020. The client will be billed $4,200.
7. Cullumber Company pays its employees total salaries of $5,400 every Monday for the preceding 5-day week (Monday through Friday). On Monday, December 29, employees were paid for the week ending December 26. All employees worked the last 3 days of 2020.

Required:
Prepare adjusting entries for the seven items described above.