5) Draw the critical path for the network activities shown below. What is the duration of the critical path. Activity A B D E F G Duration Immediate Predecessors 4 2 A 7 4 A 3 B.D 4 B,D 5 E,F,C Case Study 1) How has global competition affected productivity? 2) The SXC Company manufactures electrical assemblies. The current process uses 10 workers and produces 250 units per hour. You are considering changing the process with new assembly methods that increase output to 400 units per hour, but will require 15 workers. Particulars are as follows: NEW CURRENT PROCESS PROCESS OUTPUT (UNITS/HOUR) 250 400 NUMBER OF WORKERS 10 15 MATERIAL COST/HOUR $150 $175 Workers are paid at a rate of $10 per hour, and overhead is charged at 150% (or 1.5 times) labor costs. Finished switches sell for $20 / unit. a. What is the multifactor productivity of current process. b. What is the multifactor productivity of new process. c. Based on your answer in a, b above, what decision should be made. 3) Mention three mission statements of any three Saudi companies. Which stakeholders they addressed in their mission? Which one of the three you like the most, WHY? 4) What is the long-term impact of unethical business practices on product and service quality