Answer:
Option 2 Reducing its costs
Step-by-step explanation:
The reason is that supply chain management does not brings any changes in the product features hence their is no differentiation and product enhancement. Furthermore the cusotmer is not paid anything that will result in customer locking. And also that the competition on prices to alter the customer behavior in the mature market is very common. So the company is trying to control its costs so that it can offer its products at a far much lower costs in the market. The competitve advantage will arise because of cost control so the option 2 is correct.