I need the answer as soon as possible

What is the impact on the project if the effectiveness period is increased from 1 to 2 by half its current value than the previously planned Basra chemical company assign you as a project manager of a simple project. depending on the information that given in the table below, answer the folowing quastions: Node 0 1 2 3 Preceding Time in Node weeks o 0 3 1 4 0 2 3 5 0 7 4 1 2 3 5 4 5 4 5 7 7 What is the shortest possible project period in days? event 3 slack in weeks What is the value of the float for the project if the management decides to complete it in 9 days What is the largest value of float in the project