Y Company operates two stores with the following information. If Store B is closed, sales at Store A will increase by $30,000 and 75% of the fixed costs allocated to Store B can be avoided. What is the increase or decrease in the company's net income if Store B is closed? Do not enter $ signs or commas. If it is a decrease use a negative sign. For example, enter a $10,000 increase as 10000. Enter a $10,000 decrease as a -10000