Angel wants to become a successful brewer. He analyzes the target market for beer and finds that there is a market niche for gluten-free beer. Angel considers the types of markets he can target with his beer. He knows that many people perceive gluten as unhealthy and might be inclined to buy his beer due to its gluten-free nature. However, he also knows there is a strong demand among those who suffer from Celiac Disease. After doing sales and cost estimates, Angel feels ready to make a decision. Refer to Scenario 5.2. In making his decision, Angel is at what stage in the target market selection process?