On March 30th, 2008 Company A is worth $180M.
On March 31st, 2008 an independent engineering report green-lights a new mine, to begin construction in 2008 and production in 2013. The report values Company A's portion of this mine at a net present value of $350M.
On July 7th, 2008 an independent engineering report green-lights a new mine, to begin construction in 2008 and production in 2010. The report values Company A's portion of THIS mine at a net present value of $850M.
What is this company's value on July 8th?
Please show your work.
D.