Sales 360,000$ 240,000$ 600,000$
Less: Variable expenses 252,000 96,000 348,000
Contribution margin 108,000$ 144,000$ 252,000$
Less: Fixed expenses 120,000 60,000 180,000
Operating income (12,000)$ 84,000$ 72,000$
Closing of mall store: 10% decrease in downtown store sales
Closing of downtown store: 0% effect on mall store sales
If either store were closed, fixed expenses continue at: 25%