Year Free Cash Flow $12 million $18 million $22 million $26 million Conundrum Mining is expected to generate the above free cash flows over the next four years, after which they are expected to grow at a rate of 7% per year. If the weighted average cost of capital is 12% and Conundrum has cash of $80 million, debt of $60 million, and 30 million shares outstanding, what is Conundrum's expected horizon (terminal) enterprise value at Year 4? O A. $556.4 million OB. $612.0 million OC. $639.9 million OD. $500.8 million