Which of the Following,if True,would Weaken the Claim That This

Multiple Choice

Which of the following,if true,would weaken the claim that this division of labor keeps employees focused on the tasks that fit their skills and leads to a better product?

A) Some employees who work in the Marketing department used to work in the Design department.
B) Projects often fail to meet their revenue goals because the Design department develops products for market segments that the Marketing department cannot reach.
C) Projects are often late because of product distribution problems that occur after the project is completed.
D) The number of projects that fail because they do not meet their revenue goals is lower than the number of projects that fail because they go too far over budget.
E) Projects often are unprofitable because of changes in the external environment that could not have been predicted before the project started.