Answer and Explanation:
The computation is shown below:
But before reaching any decision, first we have to find out the ROI for new investment which is
ROI of new investment = net operating income ÷ investment
= $12,950 ÷ $70,000
= 18.50%
Now
If investment taken place, then overall ROI is
= Total net operating income ÷ Total average operating assets
= ($380,000 + $12,950) ÷ ($2,000,000 + $70,000)
= 18.98%
As we can see that the overall ROI i.e 18.98% is less than the currently ROI i.e 20% so he should not recommend ROI as it is shows fallen