Zhao Co. has fixed costs of $354,000. Its single product sells for $175 per unit, and variable costs are $116 per unit. The company expects sales of 10,000 units. Prepare a contribution margin income statement for the year ended December 31, 2019.

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Whirly Corporation’s contribution format income statement for the most recent month is shown below:     Total Per Unit Sales (8,000 units) $ 240,000 $ 30.00 Variable expenses 152,000 19.00 Contribution margin 88,000 $ 11.00 Fixed expenses 55,000   Net operating income $ 33,000     Can you please help me solve for the following:  A. What would be the revised net operating income per month if the sales volume increases by 60 units? B. What would be the revised net operating income per month if the sales volume decreases by 60 units? C. What would be the revised net operating income per month if the sales volume is 7,000 units?