<u>Answer:</u>
<em>When system feasibility is being determined </em>
<u>Explanation:</u>
<em>Prototyping is the part of Requirement and Analysis phase. </em>It is the phase where the client and the development team sits and discuss about what the requirement is and show <em>a model of what are all the things which they could bring up the requirement as a software. </em>
So here, the prototyping is really essential to visually understand how the team has interpreted the requirement and how far it matches with the client. <em>All the other options stands invalid in the given context.</em>
Answer:
B. Posing questions to collect necessary information
Explanation:
Tax preparation software serves as software that makes filing as well as preparation of tax to be easier.