Related Clues:

• Cost of old-fashioned ballad
• Expenditure revealed by non-professional
• Revealed non-professional expenditure
• Outlay keeping female swans in river
• Outgoing writers plunged into Devon river
• Maybe charge writer in old case of sacrilege
• Produce more eggs, perhaps, than expenditure
• Bill could be one in river astride swans
• Financial expenditure
• Cost of keeping female swans in river?
• Perhaps bills of swans seen in river
• Amount spent on bill when awful rogues left outrageously
• Money paid for goods or services
• Cost of reversing floor plan