Atlas Company provided the following information for last year:

Operating income	$ 92,000
Sales	235,000
Beginning operating assets	410,000
Ending operating assets	440,000

Which of the following is Atlas's return on investment (ROI) for last year? (Note: Round answer to two decimal places.)

a.0.22

b.0.50

c.0.15

d.0.32

e.0.41

If the operating asset turnover increased by 50% and the margin increased by 50%, the ROI would increase by

a.50%.

b.125%.

c.100%.

d.25%.