I found this article here https://docs.runpod.io/references/faq#how-does-storage-billing-work
But it doesn't mention anything about how endpoints/workers/containers are billed for their storage. Of course network volumes are obvious, because they are separate storage instances.
Say I have an endpoint that has 20GB provisioned for the container disk. How much will I be billed for this? Is it a flat fee regardless of number of workers? Or is it per worker? Where is the pricing listed?