Related Clues:

• 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
• Expense of turning around design
• Intake opposite