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Raner, Harris & Chan is a consulting firm that specializes in information systems for medical and dental clinics. The firm has two officesone in Chicago and one in Minneapolis. The firm classifies the direct costs of consulting jobs as variable costs. A contribution format segmented income statement for the companys most recent year is given:

							Office
	Total Company						Chicago						Minneapolis
Sales	$	525,000		100.0	%		$	105,000		100	%		$	420,000		100	%
Variable expenses		283,500		54.0	%			31,500		30	%			252,000		60	%
Contribution margin		241,500		46.0	%			73,500		70	%			168,000		40	%
Traceable fixed expenses		117,600		22.4	%			54,600		52	%			63,000		15	%
Office segment margin		123,900		23.6	%		$	18,900		18	%		$	105,000		25	%
Common fixed expenses not traceable to offices		84,000		16.0	%
Net operating income	$	39,900		7.6	%

2. By how much would the companys net operating income increase if Minneapolis increased its sales by $52,500 per year? Assume no change in cost behavior patterns.