3. Go to the Session Enrollment worksheet. To make it easier to add the correct session enrollment information, add data validation to the range B8:F10 as follows: a. The cells in the range B8:F10 should allow only whole number values greater than 0. b. Add an Input Message using Session Enrollment as the Input Message title and Enter the minimum, average, or maximum enrollment per lesson type. (including the period) as the Input message. c. Add an Error Alert using the Stop style for the Error Alert, and use Enrollment Error as the Error Alert title and Session enrollment must be greater than 0. (including the period) as the Error message//