A manufacturer of large truck engines recently developed a new engine with increased horsepower as compared to the earlier engine put out by the company. During the last year, when both engines were sold, the earlier engine outsold the new model by a factor of two to one. The management of the truck engine manufacturer concluded that the company's customers do not care about increased horsepower.
Which of the following, if true, would most seriously weaken the conclusion reached by the management of the truck engine manufacturer?
(A) Many types of customers buy this company's truck engines, including private truck enthusiasts and commercial truck companies.
Incorrectadditional info
(B)
A number of horsepower-increasing accessories for the earlier engine sold well during the last year and these products are not yet available for the new engine. Correctcan be a cause for not purchasing new engines, so against conclusion
(C) Many customers of this truck engine manufacturer also purchase truck engines from companies that did not come out with a new, higher horsepower engine in the last year.
Incorrectnot relevant
(D) The newer engine can be used in all the same trucks as the earlier engine.
Incorrectsupport conclusion
(E) There was not a significant difference in price between the new engine and the earlier version of the engine put out by this manufacturer.
Incorrectsupport conclusion