Make an inference based on the following statement:
Somehow it seemed as though the farm had grown richer without making the animals themselves any richer—except, of course, for the pigs and the dogs." (p. 129)
The pigs and dogs work side by side with the common animals.
The pigs and dogs consume without producing.
The common animals are benefiting from the farm's productivity.
The farm is more prosperous and the common animals have hope that they will benefit from it.