your melodic power

speed metal band, the Manuve Octopi has written what you think is an incredible and catchy song Asteroids, Comets, and Meteors. To increase the chances of the song going viral, you have decieded to create a youtube video of a preformance with costumes, dry ice smoke, and a greenscreen oceanic backdrop. The tasks involved, along with task times and precedence requirements are given below: How long does the project take to complete in hours? If taks b start time was delayed by hours, how many hours would project completion be delayed?