Problem
Olivia loses Fifi, her rare and often threatened French poodle. The poodle is found hunting rats in a sewer by a council worker and is returned with a pair of tongs. Olivia, who has no sense of smell, is overjoyed, and promises to pay the council worker $50 for the return of the dog.
Task
Discuss the legal right and obligation of Olivia and the council worker about $50 payment.