Below are transactions for Wolverine Company during 2021.
1. On December 1, 2021, Wolverine receives $4,000 cash from a company that is renting office space from Wolverine. The payment, representing rent for December and January, is credited to Deferred Revenue.

2. Wolverine purchases a one-year property insurance policy on July 1, 2021, for $13,200. The payment is debited to Prepaid Insurance for the entire amount.
3. Employee salaries of $3,000 for the month of December will be paid in early January 2022.
4. On November 1, 2021, the company borrows $15,000 from a bank. The loan requires principal and interest at 10% to be paid on October 30, 2022.
5. Office supplies at the beginning of 2021 total $1,000. On August 15, Wolverine purchases an additional $3,400 of office supplies, debiting the Supplies account. By the end of the year, $500 of office supplies remains.

Required:
Record the necessary adjusting entries at December 31, 2021, for Wolverine Company. You do not need to record transactions made during the year. Assume that no financial statements were prepared during the year and no adjusting entries were recorded.