The price of gasoline is $2.50 per gallon at the closest gas station, but is only $2.30 per gallon at a gas station two miles away. By driving to the farther gas station, the opportunity cost is: $0.20 per gallon, the difference in price between the two gas stations.

Erp has all the following advantages except: modules throughout a corporation can communicate with each other while purchasing is difficult, the vendors such as sap make it worthwhile due to easy implementation have predefined software that represents "pretty good practices" or even "best practices" enables standardized procedures in an organization reduces inconsistent data stored in various locations of the organization