Inaccurate guest checks represent lost revenue. And the frequency of check errors is higher than many restaurateurs might think.
Kelly, T. J., & Carvell, S. (1987). Checking the checks: A survey of guest-check accuracy [Electronic version]. Cornell Hotel and Restaurant Administration Quarterly, 28(3), 62-65. Retrieved [insert date], from Cornell University, School of Hospitality Administration site: http://scholarship.sha.cornell.edu/articles/160/