Using Activity on Arrow technology, design a project which contains at least seven activities. (1) Clearly describe what is the project and what is purpose of each task. (2) Use optimistic/pessimistic/most likely time to calculate weighted average times each task. (3) List the logical relationships for each task by presenting the predecessor and successor. (4) Draw Activity of Arrow network diagram. Calculate ES, EF, LS, LF, FF, TF for each task. (5) What is the project estimated duration? (6) Use PERT to estimate the early 25% project duration.