Two questions: about internal rate of return & Just in Time Inventory. See attatched.

1. Discuss in detail the Internal Rate of Return - what it is, what it does, how it's computed, what are its limitations and drawbacks, what assumptions are made that are unrealistic, why people still use it, etc. Make sure to give detailed examples to illustrate your points 2. Discuss in detail the potential advantages and potential disadvantages of Just In Time Inventory. What kind of challenges would a company face in implementing this type of system? How could you overcome those challenges? 1. what are the differences between sec 1231, 1245, 1250 and 291 recapture, please, give example if possible. 1. what are the differences between sec 1231, 1245, 1250 and 291 recapture, please, give example if possible