XYZ company's sales $800000, unit variable cost $8, fixed expense $100000, and number of units sold equals 80000.

Requirements (1-10):

1. Net operating income.

2. Contribution margin percentage.

3. Unit fixed cost.

4. Break-even point in unit sold.

5. Break-even point in total sales dollar.

6. Unit sales to attain the target profit 76000.

7. Margin of safety (Units).

8. Margin of safety (%).

9. Degree of operating leverage.

10.In original information, if the number of quantity sold increase by 10%, what is the new net operating income?