A Western Union marketing plan failed because it didn't reflect the impact of deregulation and competitors' actions on business, which illustrates which of the following problems?

Multiple choice question.

The planner and their plans may have lost sight of their customers' needs.

Too much time may be spent creating plans that are too complex to implement.

The plan may be based on poor assumptions about environmental forces.

Line operating managers may feel no sense of ownership in implementing the plan.