Compare and contrast the Internal Rate of Return (IRR), the Net Present Value (NPV) and Payback approaches to capital rationing.

Compare and contrast the Internal Rate of Return (IRR), the Net Present Value (NPV) and Payback approaches to capital rationing. Which do you think is better? Why?  Provide examples and evidence from two articles from ProQuest to support your position. Your post should be 200-250 words in length.