Opencost
Opencost is an engine which can give us a real time info to see, how much money is spend on the k8s resources so far it supports namespace, deployment, controller, label, pod, and node.
https://github.com/opencost/opencost/issues/2022 is raised for getting the same info for volume snapshot
API
https://www.opencost.io/docs/api
CLI
You can access cli to get the same info
https://github.com/kubecost/kubectl-cost#installation
WebUI
kubecost is the enterprise version, which has a decent UI
opencost is an opensource version of kubecost, which has a bare minimum webui for now.