A constraint in the model means:. 1. activity A should be finished within 2 weeks.
2. the total time taken by activity A cannot be more than 2 weeks.
3. activity A cannot be crashed by more than 2 weeks.
4. activity A must be finished in week 2 after the start of the activity.
5. none of the above.

Robert black, regional manager for ford in texas and oklahoma, faced a dilemma. the ford f-150 pickup truck was the best-selling pickup ever, yet ford's headquarters in detroit had decided to introduce a completely redesigned f-150. how could mr. black sell both trucks at the same time? he still had "old" f-150s in stock. in his advertising, mr. black referred to the new f-150s as follows: "not a better f-150. just the only truck good enough to be the next f-150." this statement represents ford's of the new f-150.

Bmw receives data transmitted by each new vehicle it sells to employees understand how customers use the products and when service may be needed. this use of technology aids in bmw's efforts to interact in an ongoing basis with its customers.

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