Solution:
In years Best estimate of return Working note
5 12.36% ((5-1)/(40-1)*0.1024)+((40-5)/(40-1)*0.126)
10 12.06% ((10-1)/(40-1)*0.1024)+((40-10)/(40-1)*0.126)
20 11.45% ((20-1)/(40-1)*0.1024)+((40-20)/(40-1)*0.126)
The formula for the return on assets is calculated by dividing the net income by the total average assets. The profit margin and total asset sales can also be represented as a consequence of this ratio. For the calculation of the total asset return, either formula may be used.