bsp; (71) ,had studied the waterfall model of software development as the primary software life-
cycle (72) .He was all set to use it for an upcoming project, his first assignment. However, Ravi foun
d that the waterfall model could not be used because the customer wanted the software delivered in stages, something that implied that the system had to be delivered and built in (73) and not as (74) .The situation in many other projec
choice. To be the most suitable, an existing process must be (75) to the new problem.Adevelopment process, even after tailoring, generally cannot handle change requests. Toaccommodate change requests without losing control of the project, you mu