Read the following case below and answer the questions that follow

ABC Company is a large consumer goods manufacturer that specializes in producing a wide range of products such as household appliances, electronics, and personal care items. The company has a complex supply chain that spans multiple countries and involves various stakeholders, including suppliers, manufacturers, distributors, and retailers.

ABC Company has been experiencing issues with its supply chain management, resulting in delays in product delivery, increased costs, and customer dissatisfaction. The company's management team has identified the need to review and optimize the decision-making process in the supply chain to improve efficiency, reduce costs, and enhance customer satisfaction.

The management team has divided the decision-making process into three phases, namely the strategic, tactical, and operational phases.

Strategic Phase:
In this phase, the company's management team develops a long-term strategy for the supply chain. The strategy includes selecting suppliers, developing supplier relationships, and identifying the best distribution channels. The team has identified that the company needs to reduce its dependency on a single supplier and diversify its sourcing strategy. They have also decided to implement a more efficient inventory management system to reduce the inventory carrying cost.

Tactical Phase:
In the tactical phase, the company's management team focuses on developing a medium-term plan for the supply chain. The team has decided to implement a demand forecasting system to optimize the production process and reduce lead times. They have also established communication channels with their suppliers and distributors to ensure that the flow of goods is smooth and efficient.

Operational Phase:
In the operational phase, the focus is on day-to-day decision-making to ensure that the supply chain runs smoothly. The management team has decided to implement a real-time monitoring system to track inventory levels, production progress, and delivery times. They have also developed a contingency plan to manage any unexpected disruptions in the supply chain, such as natural disasters or transportation strikes.

Results:
The implementation of the three decision-making phases has resulted in significant improvements in ABC Company's supply chain management. The company has reduced its inventory carrying cost by 15%, reduced lead times by 20%, and increased customer satisfaction by 25%. The company has also been able to expand its product line, diversify its supplier base, and improve the efficiency of its production process.

Conclusion:
ABC Company's success in optimizing its supply chain management was due to the effective implementation of the three decision-making phases. By adopting a strategic, tactical, and operational approach, the company was able to identify and address supply chain inefficiencies and improve its overall performance. The company's management team continues to review and optimize its supply chain management to maintain its competitive edge in the market.

What were the challenges faced by ABC Company in its supply chain management, and how did they impact the company's performance?
2. How did the management team at ABC Company identify the need to optimize their decision-making process in the supply chain, and what were the three phases they implemented to achieve this?
3. What were the results of ABC Company's implementation of the three decision-making phases in its supply chain management, and how did it impact the company's inventory carrying cost, lead times, and customer satisfaction levels?