i need answer for these question please .

DISCUSSION QUESTIONS 1 If Company A outsources some activities to Company B, then Company B will expect to make a profit from doing the activities. Why does Company A not do the activities itself and keep the profit? 2 What activities would you expect to see most commonly outsourced? 3 Why do organizations commit extensive resources to the evaluation of suppliers before selecting one? 4 Discuss the ways that purchasing may become aware of the need to evaluate and select a supplier. 5 What sources of information are available to buyers when they start looking at potential sources of supply? When do you think it is appropriate to use each of the sources