Regarding the Developing and Managing Offerings, the seven steps in the offering development process are:

Step 1. Idea generation.

Step 2. Idea screening

Step 3. Feature Specification

Step 4. Development

Step 5. Testing

Step 6. Launch (Commercialization)

Step 7. Evaluation

1. What are the key activities in each step?
2. How should a company evaluate new ideas? What are the criteria?
3. What strategies do firms pursue when their products enter the decline stage?

Can you please reference any resources used to answer the questions above so I am able to review them.