How much for a video?
There are several things to consider before you can answer a question like this.
Here are some questions you should ask your potential client before you state your price.
What will the video be about?
How many people do you want interviewed?
Where are the locations to shoot b roll?
Do they want music to help drive the video?
When do they expect the video to be finished?
Why should your potential clients choose video for their message?