holding all other forces constant, when the price of gasoline rises, the number of gallons of gasoline demanded would fall substantially over a ten-year period because

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