Explain what is NPV and IRR and how you will help your client if your're the CFO

Scenario:

Marie LeBlanc has decided to move forward and acquire the drilling rigs to start a new line of service for her company. It is a very expensive undertaking. It is the first time she has personally borrowed $30 million and she is quite nervous that all works right. Recognizing she needs to make sure there is no stumbling along the pathway to success she assigns you, the CFO, to take the lead. Enlighten Ms. LeBlanc to yourcapital budgeting process.