The purpose of a Prototype can best be summarized as what?

Question $7$ options:

To help give others a clear understanding of your proposed product, service, or experience

To give a near$-$exact representation of the final product

To figure out the cheapest way to make your product, service, or experience

To test whether your product or service actually solves the problem you've set out to solve

To generate funds for your project that you can use for development or keep as profit