The Carry-on Luggage Company must set up an assembly line for a wheeled carry-on bag. Forecasts show that 60 units per hour should be produced. The tasks required, task times, and precedence relationships are as follows: a) What is the cycle time? b) What is the theoretical number of workstations? c) Balance the line by assigning the tasks to the workstations using the longest operating time rule. d) What is the efficiency of the balanced line