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:

Sales	$	600,000		100.0	%		$	120,000		100	%		$	480,000		100	%
Variable expenses		324,000		54.0	%			36,000		30	%			288,000		60	%
Contribution margin		276,000		46.0	%			84,000		70	%			192,000		40	%
Traceable fixed expenses		134,400		22.4	%			62,400		52	%			72,000		15	%
Office segment margin		141,600		23.6	%		$	21,600		18	%		$	120,000		25	%
Common fixed expenses not traceable to offices		96,000		16.0	%
Net operating income	$	45,600		7.6	%
1-a. Compute the companywide break-even point in dollar sales. 1-b. Compute the break-even point for the Chicago office and for the Minneapolis office. 1-c. Is the companywide break-even point greater than, less than, or equal to the sum of the Chicago and Minneapolis break-even points?