Marleigh Studios has a December 31 year-end.
| Date | Event |
|---|
| October 1 | Paid $12,000 for a one-year insurance policy, debiting Prepaid Insurance. |
| November 1 | Received $9,000 cash in advance for a six-month service contract, crediting Unearned Revenue. |
| December 31 | Record the adjusting entries for the insurance used and the revenue earned to date. |
Required: Prepare the October 1 and November 1 entries, then the two December 31 adjusting entries (3 months of insurance expired; 2 months of service revenue earned).