Shown as follows is a segmented income statement for Drexel-Hall during the current month. Profit Centers Drexel-Hall Store 1 Store Store Dollars Dollars Dollars Dollars Sales $1, 800,000 100% $600, 000 100% $600 , 000 100% $600 , 000 100 $ Variable costs 1, 080, 000 60 372,000 62 378, 000 63 330,000 55 Contribution margin 720, 000 40% $228, 000 38% $222, 000 378 $270 , 000 45 Traceable fixed costs: controllable 132 ,000 24 120, 000 20 102 , 000 17 210,000 35 Performance margin $ 288,000 168 $108,000 18% $120 , 000 20% $ 60,000 10 Traceable fixed costs: committed 180 , 000 10 48, 000 8 66,000 11 66,000 11 Store responsibility margin $ 108,000 $ 60, 000 10% $ 54, 000 $ (6, 000) (1 ) $ Common fixed costs 36 ,000 Income from operations $ 72 ,000 48 All stores are similar in size, carry similar products, and operate in similar neighborhoods. Store 1 was established first and was built at a lower cost than were Stores 2 and 3. This lower cost results in less depreciation expense for Store 1. Store 2 follows a policy of minimizing both costs and sales prices. Store 3 follows a policy of providing extensive customer service and charges slightly higher prices than the other two stores. Top management of Drexel-Hall is considering closing Store 3. The three stores are close enough together that management estimates closing Store 3 would cause sales at Store 1 to increase by $60,000, and sales at Store 2 to increase by $120,000. Closing Store 3 is not expected to cause any change in common fixed costs. Compute the increase or decrease that closing Store 3 should cause in a. Total monthly sales for Drexel-Hall stores. b. The monthly responsibility margin of Stores 1 and 2. c. The company's monthly income from operations. Complete this question by entering your answers in the tabs below. Required A Required B Required C Total monthly sales for Drexel-Hall stores. Net decrease expected in total monthly sales $ 520,000 Required A Required B >Required A Required B Required C The monthly responsibility margin of Stores 1 and 2. Monthly Responsibility Margin Store 1 66,000 Net increase Store 2 55,800 Net increase Required A Required B Required C The company's monthly income from operations. Expected in monthly operating income