Answer:
A
Step-by-step explanation:
As it is already mentioned that both businesses are different from each other, therefore, managing these two different business by having a one organizational structure will lead to confusion as in the case of question.
When two different business merge together this is called conglomerate integration.
Business merge together in order to enjoy the benefit of the term 'synergy' that means the whole is greater than sum of its parts. That bring definitely some advantages for the merged businesses.
But that too have disadvantages when the merged businesses failed to get benefits of the concept of synergy. That is, large businesses are difficult to manage, two different businesses require different set of management, and strategies.