Go here and complete and submit the contact form there. You will the be instructed to mail the tablet to their Service Center. They will then quote you a price after they shall have analyzed the damage extent. Only note that these tablets consist of a touch glass panel and a digitalizer. If you can still see your tablet's scree display clearly, then chances are, only the touch panel got damaged. If the screen display is distorted with in marks or so and sensible cracks on the upper touch panel, chances will that both suffered a damage and will both require replacement.