QUESTIONS 1. ABC Company signed a contract to build an equipment. According to contract, the company has to pay a penalty fee of $ 100 per day if the project duration exceeds 13 days. All required activities associated with the dependencies for a project are listed below in the table. Standard and accelerated durations and costs for each activity are also provided in the table. Activity Preceding Activity Activity Standard Duration (Days) 4 Activity Standard Cost ($) Activity Accelerated Duration (Days) Activity Accelerated Cost ($) ABCDE 1000 3 1300 7 1400 4 2000 5 2000 4 2700 A 6 1200 5 1400 B 3 900 2 1100 F C 11 2500 6 3750 G D, E 4 800 3 1450 H F, G 3 300 1 500 a) Draw project network diagram by using activity-on-node method. Identify the critical path based on standard durations and identify slacks. Calculate the total project costs including penalties if there is any (20 Points). b) If the project has to be completed within 15 days, how does the project network diagram char Calculate the total project costs. To do so, you have to accelerate some of the activities. Please sp the least cost option (20 Points).