If You Were to Look at a PERT Chart for Assembling

Multiple Choice

If you were to look at a PERT chart for assembling a hamburger at McDonald's, you would see that grilling the beef patty and applying ketchup to the bun can be performed simultaneously. Grilling the patty takes 120 seconds, and applying the ketchup to the bun takes 10 seconds. Other steps in the process take a total of 35 seconds. What is the length of the critical path?

A) 95 seconds
B) 110 seconds
C) 120 seconds
D) 155 seconds