please help with both

Consider the following two projects: Project Year o Year 1 Year 2 Year 3 Year 4 Cash Flow Cash Flow Cash Flow Cash Flow Cash Flow A - 100 40 50 NA B -73 30 30 30 30 60 Discount Rate 0.17 0.17 The net present value (NPV) of project B is closest to: o O A. 10.2 OB 9.3 OC. 23.2 OD. 11.6 . The volatility of Home Depot Share prices is 40% and that of General Motors shares is 40%. When I hold both stocks in my portfolio and the stocks retums have zero correlation the overall volatility of returns of the portfolio is O A. unchanged at 40%. OB. more than 40% O c. less than 40% OD. cannot say for sure