Answer:
d. Each division plans independently of the others.
Explanation:
Strategic business units focuses on higher market share, and profit center. It might be possible that the segment is a part of a big organisation, but it focuses and has its own manner and techniques to earn profit.
In this case also there are four different segments. In case if each division in the organization plans, separately, based on its own market conditions, and runs separately, even though they are part of same organization, they will work differently in different techniques to attain maximum share in market and reach maximum profit making situation.