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

Windsor, Inc. Statements of Financial Position
	Beginning Balance	Ending Balance
Assets:
Cash	$	305,000	$	395,362
Accounts receivable		147,000		136,000
Inventory		266,000		247,000
Plant and equipment (net)		468,000		435,000
Investment in Pine Company		233,000		259,000
Land (undeveloped)		417,000		417,000
Total assets	$	1,836,000	$	1,889,362
Liabilities and owners equity:
Accounts payable	$	226,000	$	204,000
Long-term debt		821,000		821,000
Owners equity		789,000		864,362
Total liabilities and owners equity	$	1,836,000	$	1,889,362

Windsor, Inc. Income statement
Sales			$	2,040,000
Less operating expenses				1,540,200
Net operating income				499,800
Less interest and taxes:
Interest expense	$	99,500
Tax expense		154,938		254,438
Net income			$	245,362

The company paid dividends of $170,000 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 35%. 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

$