A Bank Spent Several Thousand Dollars to Learn How Customers

A bank spent several thousand dollars to learn how customers were satisfied with the readiness of the bank's ATMs. ATMs record, up to 4 decimal places, the time they are down. This situation illustrates the point that:

A) ATM's are seldom not working
B) ATMs are not dependable
C) the better banks conduct marketing research
D) marketing research should not be conducted when the information needed is already available
E) marketing research should be used when the information needed is already available