A data processing system for accurately calculating a discount in a medical insurance plan comprises a premiums module adapted to access data regarding the amount of premiums paid by a policyholder of the medical insurance plan for a predetermined period. A claims module is adapted to access data regarding...http://www.google.com/patents/US8145500?utm_source=gb-gplus-sharePatent US8145500 - Data processing system for accurately calculating a policyholder's discount in a medical insurance plan and a method therefor