Answer:
12%
Explanation:
The income earned over on the investment made in the business is known as the return on Investment. it is calculated by dividing net income for the period with the total investment made in the business.
In this question we have operating income and operating asset to calculate the return on investment.
North division
Return on Investment = (Operating Income / Operating Assets) x 100
Return on Investment = ( $72,000 / $600,000 ) x 100 = 12%