Use Porter's Five Forces method to analyze the chocolate industry in the U.S. The Five Forces method identifies and analyzes 5 competitive forces that shape an industry, and helps determine an industry's weaknesses and strengths. The analysis must include:
1. Competitive rivalry in the industry
2. Threat of new entrants into the industry
3. Bargaining power of suppliers
4. Bargaining power of customers
5. Threat of substitute products