The Lastrom Company provided the following information regarding its operations:
2014 Total assets $750,000
2015 Total assets $800,000
2014 Net operating income $1,875,000
2015 Net operating income $1,925,000
2014 Net sales $4,525,000
2015 Net sales $5,100,000
What is Lastrom’s ROI for the year ending 2015?