I need direct answer just to compare with my solution

Thanks

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Evan's Electronics Boutique sells a digital camera. The following information was reported for the digital camera last month:

Sales	$ 17,600
Variable expenses	9,680
Contribution margin	7,920
Fixed expenses	3,600
Net operating income	$ 4,320

Evan's margin of safety in dollars and percentage are closest to:

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Farris Corporation, which has only one product, has provided the following data concerning its most recent month of operations:

Selling price	$148
Units in beginning inventory	0
Units produced	9,400
Units sold	9,000
Units in ending inventory	400

Variable costs per unit:
Direct materials	$ 27
Direct labor	$ 69
Variable manufacturing overhead	$ 15
Variable selling and administrative expense	$ 19
Fixed costs:
Fixed manufacturing overhead	$141,000
Fixed selling and administrative expense	$ 9,700

What is the net operating income for the month under absorption costing?

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Corbel Corporation has two divisions: Division A and Division B. Last month, the company reported a contribution margin of $40,200 for Division A. Division B had a contribution margin ratio of 45% and its sales were $204,000. Net operating income for the company was $31,400 and traceable fixed expenses were $52,800. Corbel Corporation's common fixed expenses were:

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At an activity level of 8,400 units in a month, Braughton Corporations total variable maintenance and repair cost is $697,284 and its total fixed maintenance and repair cost is $464,100. What would be the total maintenance and repair cost, both fixed and variable, at an activity level of 8,500 units in a month? Assume that this level of activity is within the relevant range

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At an activity level of 9,100 machine-hours in a month, Falks Corporations total variable production engineering cost is $803,530 and its total fixed production engineering cost is $161,280. What would be the total production engineering cost per machine-hour, both fixed and variable, at an activity level of 9,600 machine-hours in a month? Assume that this level of activity is within the relevant range.