1. Tesla Model S, Apple iphone 6 plus and VaporFi e-cigarettes. Which stage of the product life cycle is each of these products in? Explain how you were able to identify the stage. How long do you think it will be before each product enters the next stage of the life cycle? 2. Yoplait recently introduced a new product to the market called Yoplait Tubes that is targeted to children. Visit the Yoplait website and learn about this product. Now, assume the role of the product manager responsible for Yoplait Tubes. You have been asked to modify the market for this product. Do you think this product can be adapted for the adult market? Devise a plan for testing the product concept with 25- to 45-year-olds. What factors would be critical to your test? What questions would you ask the testers?