Excerpts from Stealth Company's December 31, 2018 and 2017, financial statements are presented below:

	2018	2017
Accounts receivable	$40,000	$36,000
Inventory	28,000	35,000
Net sales	190,000	186,000
Cost of goods sold	114,000	108,000
Total assets	425,000	405,000
Total stockholders equity	240,000	225,000
Net income	32,500	28,000

Stealth Company's 2018 return on assets is (rounded to one decimal place):

7.1%.

7.8%.

13.5%.

44.7%.