what is the free float for activity E and respect to activity H show calcutions

As a project manager for Nando's you must manage a project with activities and their respective durations as listed in the table below: 2.1 Construct a network diagram to analyses your project. (11) (NB: The network diagram needs to have all the values otherwise zero marks will be awarded) 2.2 What is the total project duration time? (1) 2.3 Identify the critical path on your network diagram. (1) 2.4 When is the latest time that activity G must be completed in order not to experience any delays in the project? What is the earliest time that activity D can possibly be completed? (1) W.6 What is the free float for activity E with respect to activity H ? Show your calculations. (4) What would the implication to the project duration time be if there was a delay of 2 months in completing activity F? (1)