All of the Following Are Drawback of Prototyping EXCEPT

Multiple Choice

All of the following are drawback of prototyping EXCEPT:

A) Additional costs may be needed to make a prototype into an operational version.
B) An operational version needs to be made using desktop tools rather than enterprise-level tools.
C) Frequent changes over time making documentation more difficult.
D) A prototyping development process is difficult to manage because it can be impossible to determine when the prototype is complete.
E) Integration of prototyping methodology is difficult when there is a broad range of requirements.