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

Divisional: X Y Z

Sales $ $1,309,000$ $ $993,000$ $ $5,163,000$

Operating Income $183,300129,900276,300$

Investment in assets $462,900662,5003,419,300$

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