Financial data for Windsor, Inc. for last year appear below:

Windsor, Inc. Statements of Financial Position
	Beginning Balance		Ending Balance
Assets:
Cash	$	263,000	$	31,164
Accounts receivable		126,000		215,000
Inventory		255,000		266,000
Plant and equipment (net)		466,000		473,000
Investment in Pine Company		221,000		293,000
Land (undeveloped)		497,000		497,000
Total assets	$	1,828,000	$	1,775,164
Liabilities and owners equity:
Accounts payable	$	164,000	$	228,000
Long-term debt		884,000		884,000
Owners equity		780,000		663,164
Total liabilities and owners equity	$	1,828,000	$	1,775,164

Windsor, Inc. Income statement
Sales			$	2,040,000
Less operating expenses				1,795,200
Net operating income				244,800
Less interest and taxes:
Interest expense	$	100,300
Tax expense		78,336		178,636
Net income			$	66,164

The company paid dividends of $183,000 last year. The "Investment in Pine Company" on the statement of financial position represents an investment in the stock of another company.

Required:
a.	Compute the company's margin, turnover, and return on investment for last year. (Round your intermediate calculations and final answers to 2 decimal places. Omit the "%" sign in your response.)

Margin	%
Turnover
Return on investment	%

b.	The Board of Directors of Windsor, Inc. has set a minimum required return of 20%. What was the company's residual income last year? (Round your intermediate calculations and final answers to 2 decimal places. Omit the "$" sign in your response.)

Residual income

$