7. System performance cannot be tested until the system is almost fully coded, and undercapacity
may be difficult to correct.
8. Difficult to respond to changes. Changes that occur later in the life cycle are more costly
and are thus discouraged.
9. Produces excessive documentation and keeping it updated as the project progresses is
time-consuming.
10. Written specifications are often difficult for users to read and thoroughly appreciate.
11. Promotes the gap between users and developers with clear division of responsibility.