Consider the following data for three divisions of a company, X$,$ Y$,$ and Z:

Divisional: X Y Z

Sales $ $1,357,000$ $ $993,000$ $ $4,741,000$

Operating Income $162,200113,700287,400$

Investment in assets $379,700451,8003,237,200$

The return on investment $($ROI$)$ for Division X is: $($Round your percentages to one decimal place.$)$