A positive result that stems from the use of return on investment (ROI) is that it encourages managers to focus on the efficient use of resources in generating income. operating asset efficiency. cost efficiency. the relationship among sales, expenses, and investment. All of these.

All of these.

Explanation:

The formula to compute the return on investment is as follows:

Return on investment = Net operating income ÷ Average operating assets

Here the return on investment means it calculates the manager performance that motivates them to rise the net operating income via cost efficiency also at the same time the average operating assets could be maintained at the normal level so that the operational efficiency could be accomplished

Therefore the last option is correct

answer; i believe a ( newsletter ) should be sent;

answer; specific performance;