To increase production costs and lead-times
Explanation:
The correct answers are; The marketplace has become more volatile, Working together will create synergies and The need to improve performance to satisfy the end customer. Further Drivers of Partnership Sourcing can be found on p.127. The other answers are incorrect as entering a partnership won't protect intellectual property rights- in fact that's one of the big risks of entering into a partnership. Partnerships won't increase costs and lead-times, they're likely to decrease them.