Ben Cartwright Pest Control uses following ledgers in its chart of accounts

107. Accounts Receivable 105.Accumulated Depreciation Equipment 104. Spraying Equipment

201. Interest Payable 209. Notes Payable 103. Prepaid Insurance

205. Salaries Payable 104 .Supplies 208.Unearned Service Revenue

509. Depreciation Expense 405. Service Revenue 534. Interest Expense

510. Salary Expense 518. Insurance Expense 520. Supplies Expense

All of the accounts have normal balances. The information below has been gathered at December 31, 2019.

1. The Cost of Equipment is $84,000 and life is estimated to be 5 years
2. Ben Cartwright Pest Control borrowed $ 24,000 by signing a 10%, one-year note on July 1, 2019, Interest is paid on the maturity of loan.
3. Ben Cartwright Pest Control paid $ 3,600 for 8 months of insurance coverage on October 1, 2019.
4. Salaries of Employees due on Dec-31, 2019 amounting $ 5,000 which is not paid yet.
5. Ben Cartwright Pest Control performed disinfecting services worth $3,000. For a client in December 2019. The client is billed for these services but no cash is received yet.
6. On December 31, 2019, Ben Cartwright Pest Control provides services worth $7,000 to customers whom cash has been received in Advance.
7. Supplies $ 2,000 was purchased at the beginning of December, however a count of supplies on December 31, 2019, indicates that supplies of $ 950 are on hand.

Required:

1. Prepare in Journal form with narration, the adjusting entries for the seven items listed for Ben Cartwright Pest Control, keeping in mind the company has a policy of adjusting accounts on Monthly basis.

2. What would be the entry in case of a, b and c if Ben has a policy of adjusting accounts on yearly basis and the accounting year of Ben ends on December-31.