1.25 polnts Thalassines Kataskeves, S.., of Greece makes marine equipment. The company has been experiencing losses on its bilge pump product line for several years. The most recent quarterly contribution format income statement for the bilge pump product line follows: Thalassines Kataskeves, S.A Income Statement-Bilge Pump For the Quarter Ended March 31 Sales Variable expenses: $ 400,000 Variable manufacturing expenses Sales commissions Shipping $136,000 45,000 13,000 Total variable expenses 194,000 Contribution margin Fixed expenses: 206,000 Advertising Depreciation of equipment (no resale value) General factory overhead Salary of product-line manager Insurance on inventories 22,000 101,000 33,000 125,000 13,000 47,000t Total fixed expenses 41,000 Net operating loss $(135,000) Common costs allocated on the basis of machine-hours tCommon costs allocated on the basis of sales dollars. Discontinuing the bilge pump product line would not affect sales of other product lines and would have no effect on the company's total general factory overhead or total Purchasing Department expenses Required a. Compute the increase or decrease of net operating income if the product line is continued or discontinued. (Decreases should be indicated by a minus sign.)