Answer:
D) disagreements over the methods to be applied for task completion.
Step-by-step explanation:
When there will be dissimilar models that is models with different approach then there will be conflicts in the respective results and that each manager will have different opinion and approach towards the application of models.
As with different models there will be different requirements and different results, accordingly it will only create a dispute in choosing the correct method, and model.
Therefore the correct answer is option D)