please help ASAP!

Consider the following project The total normal project cost of activities are R180000 and the fixed cost per week is R4000 (discretionary) 3.1.1 Draw the activity on arc diagram 3.1.2 Identify the critical path/s and its duration. 3.1.3 Your client is willing to pay a bonus of R20 000 if the project can be completed in 19 weeks. Determine whether it is possible to achieve this deadline and state whether it is feasible or not to do so? If not, what other alternative will you consider? You need to setup the acceleration programme in such a way that you reduce the amount of time for the project at the least amount of additional cost. (31)