A firm is expecting rapid growth for four years and then no growth in the future. Free cash flows to the firm are expected to be $$42\mathrm{.}5,$ $$64\mathrm{.}3,$ $$77\mathrm{.}1,$ and $$92$ million over four years, and then constant. The company has $$23\mathrm{.}4$ million in cash. The cost of equity is $12\%$ and WACC is $10\%.$ What is the enterprise value of this business? $($Do not round intermediate computations. Round final answer to the nearest million.$)$

A$.$ $$811$ million

B$.$ $$818$ million

C$.$ $$864$ million

D$.$ $$628$ million