The SV and CV for the project

In month 9 your software development project is having issues with downtime, and while the problem is evident across your organization, you are concerned with your project. The following project information is available on the project you manage: actual cost is $2,000, earned value is $2,100, and planned cost is $2,400. Your customer has raised concerns that this project is over budget and behind schedule. You need to give an answer to the customer.
Compute the SV and CV for the project.
What is the status of this project?
Is it as bad as the customer thinks?
How do you answer the customer?
What are your actions regarding the project manager?