Which of the following are examples of erosion? I. the loss of sales due to increased competition in the product market II. the loss of sales because your chief competitor just opened a store across the street from your store III. the loss of sales due to a new product which you recently introduced IV. the loss of sales due to a new product recently introduced by your competitor Select one: 1. the loss of sales due to increased competition in the product market 2. III only 3. III and IV only 4. I, III and IV only 5. II and IV only 6. I, II, III, and IV