I need help preparing a worksheet

Current Attempt in Progress The ledger of Cullumber Company includes the following unadjusted balances: Prepaid Insurance $3,200, Service Revenue $58,200, and Salaries and Wages Expense $24,700. Adjusting entries are required for (a) expired insurance $1,900, (b) services performed $1,400 are billed and not yet collected, and (c) accrued salaries payable $900. Enter the unadjusted balances and adjustments into a worksheet and complete the worksheet for all accounts. Trial Balance Adjustments Account Titles Dr. Cr. Dr Prepaid Insurance Service Revenue Salaries and Wages Expense Accounts Receivable Salaries and Wages Payable Insurance Expense