The records of Marshall Company include the following:

Average total assets	$4,000,000
Average total liabilities	1,720,000
Total revenue	5,080,000
Total expense (including income tax)	4,000,000
Interest expense (included in total expenses)	100,000
Income tax rate 35%

The return on assets is closest to:

a. 28.63%.

b. 50.22%.

c. 62.79%.

d. 27.00%.