Which option identifies the next step in the following scenario?

Kevin has just finished calculating the cost of his design, including the packaging. He is meeting with an industrial engineer next week.


The industrial engineer will assist in determining how much time it would take to create the product in mass quantities using different materials.

The industrial engineer will assist in determining how much time it would take to manufacture the product according to the new design.

The industrial engineer will assist in determining if the product is safe and eco-friendly.

The industrial engineer will assist in determining if the new design is structurally solid.