A. Using the given model below, classify the following accompanying circumstances experienced by different business sectors nowadays, then write the number below the identified barriers that will affect the particular force of competition. 1. Shifting customers' buying behavior from visiting a mall to online shopping. 2. Strict implementation of government policy about ECQ programs. 3. The high cost of production for PPE. 4. The product represents a high percentage of the buyer's cost. 5. Few suppliers of PPE, but sales volume is generally high. 6. Diversity of competing industries. 7. Lower cost of a substitute product. For example, cloth masks over the surgical mask. 8. The innovation of substitute products (different styles of face shields) | Threats to new entrants Suppliers Rivalry among firms Buyers