A group of engineers responsible for developing advanced missile detection and tracking technologies such as shortwave infrared, thermal infrared detection, target tracking radar, etc. recently came up with six proposals for consideration. The present worth (in $ billions) of the capital requirements and benefits are shown. Alternative A B C D E F PW of Capital, $ 80 50 72 43 89 85 PW of Benefits, $ 70 55 76 52 85 90 A) Determine which ones should be undertaken, if they are independent. B) And then mutually exclusive. Select alternatives: (Click to select) v (Click to select) B, C, D, and E B, C, A, and F B, C, D, and F A, C, D, and F