Related Clues:

• The accountant employs them to some effect
• Goo, that's all that's left of the coffee
• Land that has been used for coffee may be discarded, and with reason
• There's reason to suppose that they come by the acre
• There are reasons for that being all that's left of the coffee
• Are they why they're the sound of the rookses, perhaps? (6)
• Do they lead to the effects an accountant employs?
• After the coffee left the land
• Reasons for having finished with coffee
• Land from coffee, and with reason
• Seems an accountant employs such ideals
• Reason for their being all that's around the house
• What's left of the coffee around the house
• Reason for the land around your place
• 'All that's left of the coffee is goo, perhaps (7)'