Question

You have designed a machine that ties the laces on shoes why would you create a prototype

1.To introduce your new product to the world with a viral video
2.To help young children keep their shoes tied
3.Go define the problem you are trying to solve
4.To test the machine to make sure it ties shoes correctly

Answer 1

4.

Step-by-step explanation:

because if the invention doesn't work you could get sued or even put in jail because someone might not be able to get the shoe off