you are the project manager for the ground combat vehicle (gcv) project and have identified the following dependencies for a portion of the project schedule: (1) activity 1 (complete charter) can start immediately upon contract award, and has an estimated duration of 3 weeks. (2) activity 2 (plan project) can start immediately after activity 1 is completed, and has an estimated duration of 3 weeks. (3) activity 3 (define conceptual design) can start after activity 1 is completed, and has an estimated duration of 6 weeks. (4) activity 4 (identify required functional capabilities) can start after activity 2 is completed, and has an estimated duration of 8 weeks. (5) activity 5 (design system) can start after activity 4 is completed and after activity 3 is completed, and has an estimated duration of 4 weeks. if the contract has just been awarded, what is the float time of activity 3 (define conceptual design)?