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"