Wagner & Sons, Inc. perform property appraisals for commercial real estate transactions. The following transactions were completed in July 2013. July 1 Purchased $345 in office supplies on account. July 2 Wrote a check for a $700 utility bill for the current month. July 3 Paid $875 in salaries to employees for the current month. July 8 Received $4,015 on customer accounts for bills sent in prior month. July 12 Conducted five appraisals and invoiced SLL Commercial Real Estate, Inc. for $11,000. Prepare journal entries using the transaction analysis above. If no journal entry is required, indicate that in the account description. The company has the following Chart of Accounts: Cash, Accounts Receivable, Supplies, Equipment, Accounts Payable, Notes Payable, Common Stock, Retained Earnings, Service Revenue, Rent Expense, Furniture, Prepaid Insurance, Advertising Expense, Unearned Revenue, Wages Expense, Interest Expense, Utilities Expense, Salaries Expense -OR- "No journal entry needed"