Answer:
Decrease from 20% to 16.8%
Explanation:
Firstly, we calculate current ROI of the division:
ROI = Margin/Operating asset = 42,000/210,000 = 20%
When the division acquire the new asset, there are following changes in the financials of the company:
So, post - purchase ROI will decrease to 42,000/250,000 = 16.8%.