Which of the Following Was NOT Discussed as a Disadvantage

Multiple Choice

Which of the following was NOT discussed as a disadvantage of using secondary data?

A) there is a mismatch of the units of measurement
B) data may be collected too quickly causing problems with the project schedule
C) differing classifications of the data in terms of what is available and what is needed
D) the data may be dated
E) reporting units are incompatible with research needs