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

Multiple Choice

Use the following information to answer the question(s) below.
Rearden Metal is evaluating a project that requires an investment of $150 million today and provides a single cash flow of $180 million for sure one year from now.Rearden decides to use 100% debt financing for this investment.The risk-free rate is 5% and Rearden's corporate tax rate is 21%.Assume that the investment is fully depreciated at the end of the year.
-The WACC for this project is closest to:

A) 4.0%.
B) 5.0%.
C) 7.0%.
D) 8.2%.