Question 1 only.The following is a network for a process in the accounts payable department.

  

1) The following is a network diagram for a process in the accounts payable department. RECEPTION Activity Reception Clerical CLERICAL Normal Time 0.5 hours 4.0 Accounting 6.0 Inspection 2.0 Reporting 6.0 Payment 2.0 Closing 3.0 ACCOUNTING INSPECTION Normal Cost $ 10 100 60 50 100 100 100 4.0 1.0 2.0 1.0 REPORTING Crash Time 0.4 hours 2.0 2.0 PAYMENT CLOSING Crash Cost $ 20 $300 100 75 200 200 500 a) What is the critical path? How long is it? b) What is the least expensive way to shorten the critical path by 1 hour? c) What is the least expensive way to shorten the critical path by 4 hours? d) What is the 68% Confidence Interval for completing the critical path? e) Draw a Gantt Chart for this process. f) What is the relevance of PERT/CPM? Sigma 0.2 0.2 0.4 1.0 1.0 1.0 1.0 2) An urgent health care center is experiencing declining business while other similar bus same area are thriving. Develop a Six Sigma program to improve results. Describe the to would use in each step. How would you anticipate problems and their causes?