Which of the following is a primary advantage of using the prototyping model in software development?

### Why this is right - **A prototype is built, tested, and reworked until an acceptable prototype is achieved.** This is the model's defining cycle. - **It can improve clarity and help identify risks.** These are listed benefits. - **Too many changes and high cost are listed as possible disadvantages.** Rework and repeated user changes can increase project effort. ### The other options - **C. It is always inexpensive and involves no repeated changes.**: This contradicts the listed disadvantages of high cost and too many changes. ### Terms - **Prototype**: An early model of a system that can be tested and revised. ### Remember Prototyping supports learning through revision, but revision can add cost.