Adjusting Entries The following selected accounts appear in the Birch Company's unadjusted trial balance as of December 31, the end of the fiscal year (all accounts have normal balances): Prepaid Maintenance Supplies Unearned Commission Fees $2,700 Commission Fees Earned $86,000 9,400 Rent Expense 10,800 8,500 Required Prepare the necesary aljuating entrie in the genera purnal as of December 31 assuming hefolowng 1. On September 1, the company entered into a prepaid equipment maintenance contract. Birch Company paid $2,700 to cover maintenance service for six months, beginning September 1. The payment was debited to Prepaid Maintenance. 2. Supplies on hand at December 31 are $3,200. 3. Unearned commission fees at December 31 are $4,000. (Note: Debit Fees Receivable.) 5. Birch Company's lease calls for rent of $900 per month payable on the first of each month, plus an annual amount equal to 1% of annual commissions earned. This additional rent is payable on January 10 of the following year (Note: Be sure to use the adjusted amount of commissions earned in computing the additional rent.)