The following aboutManageOneDescription of the approval process, which options are correct?

VDCadministrator andVDCThe salesperson can define the approval process.

The approval process supports real-time modification of wells to take effect in the release state.

Each level of approval process can specify one or more approvers, as long as any approver approves, the approval of this level is passed.

The approval process can set up multi-level approval, up to5class correct.