Which of the following is a disadvantage ofprototyping?a. Numerous design issues

Which of the following is a disadvantage ofprototyping?a. Numerous design issues are not addressed by prototyping.b. Prototyping does not negate the need for systems analysisphases.c. The scope and complexity of the system can quickly get out ofcontrol.d. A prototype cannot completely substitute for a paperspecification.E. all of these