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

Windsor, Inc. Statements of Financial Position
	Beginning Balance		Ending Balance
Assets:
Cash	$	335,000	$	471,760
Accounts receivable		210,000		176,000
Inventory		296,000		264,000
Plant and equipment (net)		508,000		460,000
Investment in Pine Company		229,000		295,000
Land (undeveloped)		182,000		182,000
Total assets	$	1,760,000	$	1,848,760
Liabilities and owners equity:
Accounts payable	$	190,000	$	235,000
Long-term debt		833,000		833,000
Owners equity		737,000		780,760
Total liabilities and owners equity	$	1,760,000	$	1,848,760

Windsor, Inc. Income statement
Sales			$	2,050,000
Less operating expenses				1,517,000
Net operating income				533,000
Less interest and taxes:
Interest expense	$	96,700
Tax expense		202,540		299,240
Net income			$	233,760

The company paid dividends of $190,000 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

$