Use the Following Information to Answer the Question(s)below

Multiple Choice

Use the following information to answer the question(s) below.
Rearden Metals is considering opening a strip-mining operation to provide some of the raw materials needed in producing Rearden metal.The initial purchase of the land and the associated costs of opening up mining operations will cost $100 million today.The mine is expected to generate $16 million worth of ore per year for the next 12 years.At the end of the 12th year Rearden will need to spend $20 million to restore the land to its original pristine nature appearance.
-The number of potential IRRs that exist for Rearden's mining operation is equal to:

A) 0.
B) 1.
C) 2.
D) 12.