Take the following as truth: Cummins, the world sales leader in diesel engines over 200 horsepower, effectively uses prototypes to ensure that a design is stable and believes in the value of prototyping throughout product development.
Then the following statement: "Prototyping adds significant costs to the product development, but if even one prototype turns out well, the costs are worth it." is true, false, or inconclusive?
Answer: Inconclusive