Why do firms outsource project work?

Why do firms outsource project work? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.) ? A different firm can do the work for lower cost. ? A different firm can use the outsourcing firm's people more effectively. ? A different firm can do the work better. ? A different firm can do the work faster. ? The outsourcing firm has the technology and resources