B. Data field masks help prevent users from entering incorrect values. 9. Subform data must be in a one to one relationship with the data on the main form. 10. Grouping like data together is a useful guideline to follow when creating usable forms. 11. Existing paper-based forms can help guide the creation of electronic database forms. 12. A report can combine the information from various tables in a database. 13. In Access, you can create a "report" that displays the name and address of only a single vendor. 14. Modifying a report layout and other properties can be done using the Report Wizard. 15. A report must contain all the information found in the records of the underlying table on which it is based. 16. Calculated fields are not possible when creating reports in Access