The most recent monthly income statement for Your Company is given below: total store A Store B

Sales $1,000,000 400,0000 600,000

Variable expenes 580,000 160,000 420,0000

contribution margin 420,000 240,000 180,000

Traceable fixed expenses 300,000 100,000 200,000

store segment margin 120,000 140,000 (20,000)

Common Fixed expenes 50,000 20,000 30,0000

Net operating income 70,000 120,0000 50,000 Due to its poor showing, consideration is being given to closing Store B. Studies show that if Store B is closed, one-fourth of its traceable fixed expenses will continue unchanged. The studies also show that closing Store B would result in a 10 percent decrease in sales in Store A. The company allocates common fixed expenses to the stores on the basis of sales dollars. Required: Compute the overall increase or decrease in the company's operating income if Store B is closed.