Answer:
The correct option is copying the business practices or techniques of successful competitors.
Step-by-step explanation:
In enhancing competitive position, the company is trying to create a competitive advantage,hence companies aiming at creating competitive advantage emphasize on developing processes,products,values that are difficult for competitors to copy.
Investment in research and development is pointer to creating uniqueness and it is way of creating competitive advantage.
Besides,departing from existing technologies in a bid to developing a more another one that is difficult to copy is also a pointer to enhancement of competitive position,though very expensive.
It is very clear that copying another business's successful strategy does not enhance competitive position.Hence my choice of answer.