You have signed a contract to build a garage for the Simpsons. You will receive a $500 bonus for completing the project within 21 days. The contract also contains a penalty clause in which you will lose $100 for each day the project takes longer than the agreed 21 days.Draw a project network given the information below. Then, do the following:1. Complete the forward and backward pass2. Determine the critical path3. Compute the Total slack for all activities 4. Determine which activities have free floatThen answer the following questions.

Activity Predecessor Duration Prepare Site None 2 Pour Foundation A 3 Erect Frame B 4 Roof C 4 Windows C AC-IATIMOOWDE Doors C Electrical C - NO NW - - Rough-In Frame D,E,F Door Opener F, G Paint H, I Clean Up C