The Core Purpose of the Prototyping Process and Developing a Prototype

The core purpose of the prototyping process and developing a prototype is to get a response from a target customer. This is important mainly because ____________.

A) Customers have all the answers about product faults
B) The entrepreneur may instantly act on the feedback given
C) The entrepreneur can compare his perception to that of his customers
D) The feedback can later on be filtered
E) Target customers opinions are most illuminating