Selected financial data for Wilmington Corporation is presented below.

WILMINGTON CORPORATION
Balance Sheet
	Dec. 31, Year 7	Dec. 31, Year 6
Current Assets
Cash and cash equivalents	$519,159	$274,579
Marketable securities	166,106	187,064
Accounts receivable (net)	232,548	260,190
Inventories	382,044	352,022
Prepaid expenses	49,832	22,958
Other current assets	83,053	85,029
Total Current Assets	1,432,742	1,181,842
Property, plant and equipment	1,384,217	625,421
Long-term investment	568,003	425,000
Total Assets	$3,384,962	$2,232,263
Current Liabilities
Short-term borrowings	$306,376	$170,419
Current portion of long-term debt	155,000	168,000
Accounts payable	228,700	257,631
Accrued liabilities	246,292	150,285
Income taxes payable	87,962	161,020
Total Current Liabilities	1,024,330	907,355
Long-term debt	500,000	300,000
Deferred income taxes	193,515	236,164
Total Liabilities	1,717,845	1,443,519
Common stock	$425,250	$125,000
Additional paid-in capital	356,450	344,335
Retained earnings	885,417	319,409
Total Stockholders' Equity	1,667,117	788,744
Total Liabilities and Stockholders' Equity	$3,384,962	$2,232,263

Selected Income Statement Data for the year ending December 31, Year 7
Net sales	$4,885,340
Cost of goods sold	(2,978,182)
Selling expenses	(884,685)
Operating income	1,022,473
Interest expense	(55,240)
Earnings before income taxes	967,233
Income tax expense	(401,225)
Net income	$566,008

Selected Statement of Cash Flow Data for the year ending December 31, Year 7
Cash flows from operations	$1,310,476
Capital expenditures	$745,862

Required What was Wilmington Corporations return on net operating assets (RNOA) in Year 7? Assume a statutory tax rate of 37%.