Which statement is incorrect about IaaS?

These resources are provided to the users as virtual machine instances and virtual storage. Users can start, stop, configure and manage the virtual machine instances and virtual storage.

IaaS provides the users the capability to provision computing, storage, and application resources.

The cloud service provider manages the underlying infrastructure.

Virtual resources provisioned by the users are billed based on a pay$-$per$-$use$/$pay$-$as$-$you$-$go paradigm.