1. Cost-a-Iot Accounting Firm 40 points A national accounting firm, Costalot has identified the following set of activities that must occur to carry out an audit for one of their major clients. 1. Draw the project network diagram for this problem. 5 points 2. Create a spreadsheet to calculate and summarize the earliest and latest start and finish times, the slack for each activity. and the critical activities. 10 points 3. What is the earliest time the audit can be completed? 5 points Refer to the previous question. Now. suppose that each of the audit activities can be crashed by the amounts indicated in the following table. I Activity Crash Potential I Costfday I Activity I Crash Potential I Costfday $1.500 $1.300 $2.000 $2.500 $1.500 L 2 $1,200 F 2 4. The client wants the audit to be completed within 55 days. Build an LP Optimization model and calculate the minimum incremental cost required to satisfy the client's request? 10 points 5. Suppose. the client wants to complete the audit as quickly as possible due to an impending merger and has offered a reward of $4000 for every day Cost-a-lot can reduce from the total audit time. What should be the new crashing schedule and the corresponding cost? 10 points