Translate the following sentence to French:
Composting dead stock can be environmentally sound and economically viable.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Le compostage à la ferme des cadavres d’animaux et des résidus d’abattoirs peut être rentable et respectueux de l’environnement.