IMO D. Using the negating technique of Power score gmat critical bible

A private bus company gained greater profits and provided bus service to the area at lower fares by running buses more frequently and stimulating greater ridership. Hoping to continue these financial trends, the company plans to replace all older buses with new, larger buses, including some double-decker buses.

The plan of the bus company as described above assumes all of the following EXCEPT
(A) the demand for bus service in the company’s area of service will increase in the future --> if not, the company will not gain expected profit
(B) increased efficiency and revenues will compensate for any new expenses the company incurs --> if not, the company must stand a negative business outcome
(C) the new buses will be sufficiently reliable to ensure the company a net financial gain once they are in place --> if not, the company can't be sure about its future positive outcome
(D) driving the new buses will be no more difficult than driving the buses they are to replace --> if not, it is still too far to conclude that the company can't have expected profit. So, it's the best
(E) the larger, double-decker buses will not face obstacles such as height and weight restrictions in the bus company’s area of service --> if not, the company can't run its plan as initially thought and, thereby can't achieve expected profit

IMO D....dont know....but I thought driving is not a major issue....
means...when we purchase something...driving is understood.....
cannot explain exactly, but if u observe the options....D comes out alone....
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+1 D

It doesn't matter whether it is more difficult to drive the new ones. We cannot assume that a driver for a new bus is more expensive.
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Negating D
lets say driving them will be MORE difficult. How much difficult a bit more or They can't drive at all.

If a bit more difficult Cool The buses still work, Generate good ridership, in turn good revenue and profits.
If they can't drive at all. Why to buy it.

So ambiguous option won't gurantee to destroy conclusion on negating.

Answer must be D.

A. Incorrect, new service will be beneficial if it is being fully utilized and that is expected as per plan.
B. Incorrect, Additional cost should come to a breakeven point so that company continue to make profit and forecasted revenue
C. Incorrect, New bus should stand at par with the plan and requirement.
D. Correct, Passage don't talk about driving challenges anywhere
E. Incorrect, Obviously if company is launching something then it assumes that current infrastructure will support this plan.

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