Estimating costs for an Agile project starts with which of the following types of meetings?

A client needs to release their product to market earlier than planned. They need to start receiving the expected revenue, according to their financial forecast, which will require completing the work left on all user stories in the backlog. What should the project lead do to accommodate this request?

An agile team is having difficulties in obtaining the participation of a true user to be a part of their team. In the absence of a true user, the development manager steps in to act as a proxy for the user. What can the agile team do to improve value delivery in the absence of a true user?

A project team member expresses frustration about the length of time it takes to make decisions for a complex project. Approvals needs to happen at many levels in the company. What should the team lead do to improve decision quality and reduce the time required to make decisions?

Based upon this Burndown chart, is this project ahead of schedule or behind schedule?