General Motors has a weighted average cost of capital of 10%. GM is considering investing in a new plant that will save the company $20 million over each of the first two years, and then $15 million each year thereafter, continuing indefinitely. If the investment is $150 million, what is the net present value (NPV) of the project? O A. $7.8 million O B. $6.1 million O C. $8.7 million OD. $6.9 million Click to select your