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

Windsor, Inc. Statements of Financial Position
	Beginning Balance		Ending Balance
Assets:
Cash	$	277,000	$	136,386
Accounts receivable		179,000		205,000
Inventory		257,000		270,000
Plant and equipment (net)		476,000		440,000
Investment in Pine Company		255,000		288,000
Land (undeveloped)		335,000		335,000
Total assets	$	1,779,000	$	1,674,386
Liabilities and owners equity:
Accounts payable	$	203,000	$	152,000
Long-term debt		862,000		862,000
Owners equity		714,000		660,386
Total liabilities and owners equity	$	1,779,000	$	1,674,386

Windsor, Inc. Income statement
Sales			$	1,960,000
Less operating expenses				1,597,400
Net operating income				362,600
Less interest and taxes:
Interest expense	$	105,800
Tax expense		141,414		247,214
Net income			$	115,386

The company paid dividends of $169,000 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 30%. 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

$