5. The method of claim 1 , further comprising the steps of: in response to the step of searching the first rule, the computer determining the second key word which indicates part of the business transaction with the customer of the business using the computer program is included in the first rule; the computer determining a second rule includes the second key word which indicates part of the business transaction with the customer of the business using the computer program; and based on the second rule including the second key word, the computer determining the second rule is the business rule.
7. The method of claim 5 , wherein the step of determining the second rule includes the second key word includes determining the second rule includes a key word indicating an initiation of a calculation supporting an objective of the business.