Correct option is B
The correct option is (B).
Explanation: Option B is the correct order of the given sentences.
- Sentence P introduces the main fact: the doubling of profits.
- Sentence R adds supplementary information about what happened during that same period (new product launches).
- Sentence Q provides the analysts' explanation/reasoning for the success mentioned in P and R.
- Sentence S concludes by stating the final outcome of these positive developments (growth in investor confidence).
So the correct answer is (b)