You are provided with the following requirements .Which of those requirements can be best accomplished in business rule?
Member number field should be checked to not allow letters and special characters
Name entered in the screen should be checked against the value stored in database and show error message if found not matching
If the member's monhly income is above $10,000,include him/her in"PLATINUM" category
If the member selects citizenship as "Non US Citzen ",system should prompt him/her to enter passport details