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Questions and Answers
What is the formula for calculating the predetermined overhead rate for a department based on machine-hours?
Predetermined overhead rate = Estimated total manufacturing overhead cost / Estimated total machine-hours
What is the formula for calculating the predetermined overhead rate for a department based on direct labor-hours?
Predetermined overhead rate = Estimated total manufacturing overhead cost / Estimated total direct labor-hours
How is the amount of overhead applied from both departments to a job calculated?
Overhead applied from both departments to a job = Predetermined overhead rate for each department × Actual machine-hours or direct labor-hours used on the job
What is the formula for calculating the total job cost for a specific job?
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Why is it important to accurately assign manufacturing costs to jobs in job-order costing systems?
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What is the formula for cost-plus pricing when using a markup percentage of 75% of total manufacturing cost?
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Explain the formula method for computing the number of units needed to attain a target profit.
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What is the margin of safety and how can it be expressed?
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What is cost structure and why is it important?
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What does operating leverage measure and how is it useful?
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How can structuring sales commissions based on contribution margin lead to higher profits?
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How does the sales mix affect break-even analysis?
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What is the equation for the profit RBC earns if it sells 401 bikes?
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How can the simple profit equation be expressed in terms of the unit contribution margin?
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What is a CVP graph used to represent?
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What does the horizontal (X) axis represent in a CVP graph?
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How are total fixed expenses represented in a CVP graph?
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What is the formula to prepare the CVP graph?
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Explain the purpose of using predetermined overhead rates in job-order costing systems.
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Describe the four-step process for computing the predetermined overhead rate.
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What are the potential advantages of using predetermined overhead rates in job-order costing?
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Explain the concept of an allocation base in job-order costing and give examples of possible allocation bases.
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How is manufacturing overhead allocated to individual jobs in a job-order costing system?
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Why are actual overhead costs often not used for assigning costs to individual jobs in job-order costing?
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Explain the concept of contribution margin and its significance in business decision-making.
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Define the contribution margin ratio and its relationship to sales volume.
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Explain the concept of variable expense ratio and its relevance in cost analysis.
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Discuss the applications of contribution ratio in decision-making, with specific examples.
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Explain the break-even analysis and the methods used to calculate the break-even point.
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Discuss the significance of dollar sales at break-even and the implications for financial planning.
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Study Notes
Contribution Margin and Break-Even Analysis
- Contribution margin graph: plot total expenses and total sales at a chosen sales volume, draw lines to fixed expenses and the point of origin
- Contribution margin ratio (CM ratio): calculated as contribution margin per unit divided by selling price per unit
- Variable expense ratio: calculated as variable expenses divided by sales
- Applications of contribution ratio: increase in sales volume will increase contribution margin
- Example 1: Increasing unit sales by 40 units with a $10,000 increase in advertising budget decreased net operating income by $2,000
- Example 2: Increase in unit sales from 500 to 580 with a $10 increase in variable costs per unit resulted in a $10,200 increase in net operating income
- Example 3: Sales increased by $62,000, fixed costs increased by $15,000, and net operating income increased by $2,000 after reducing selling price and increasing advertising budget
- Example 4: Switching from fixed salaries to sales commission resulted in a $12,375 increase in net operating income after increasing unit sales
- Example 5: To increase monthly profits by $3,000, RBC should quote a price of $320 per bike to sell 150 bikes to a wholesaler
- Break-even analysis: unit sales at break-even calculated using contribution margin formula and equation method
- Formula method: a shortcut version of the equation method, each unit sold contributes towards covering fixed expenses
- Dollar sales at break-even: computed using both the equation and formula methods
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Description
Test your knowledge of contribution margin and break-even analysis with this quiz. Explore concepts such as contribution margin graph, CM ratio, variable expense ratio, and applications of contribution ratio through practical examples. Also, delve into break-even analysis, including unit sales and dollar sales at break-even using formula and equation methods.