Assume General Motors has a weighted average cost of capital of 10%. GM is considering investing in a new plant that will save the company $30 million over each of the first two years, and then $25 million each year thereafter. If the investment is $150 million, what is the net present value (NPV) of the project? A) $65.2 million B) -$76.1 million C) -$86.9 million D) $108.7 million