Pong Incorporated's segmented income statement for the most recent month is given below Total Store AStore B 8,509 31,104 27405 00,791 33,696 67095 Sales Variable expenses 159,300 $64,800 $94,500 Contribution margin Traceable fixed expenses 69,700 22,800 46,900 31.091 $10,896 $20,195 Segment margin Common fixed expenses 23,300 Net operating income 7,791 The marketing department believes that a promotional campaign for Store A costing $9700 will increase sales by $16,700. If its plan is adopted, overall company net operating income should