Bill Fredlund, president of Lincoln Log Construction, is considering placing a bid on a building… 1 answer below »

Bill Fredlund, president of Lincoln Log Construction, is considering placing a bid on a building project. Bill has determined that five tasks would need to be performed to carry out the project. Using the PERT three-estimate approach, Bill has obtained the estimates in the table below for how long these tasks will take. Also shown are the precedence relationships for these tasks.