Firms’ Costs, Revenue And Objectives
Overview
Behind every price tag is a calculation. A firm has to cover its costs, earn revenue from its sales, and decide what it is really trying to achieve, whether that is survival, growth, social welfare or the largest possible profit. Get the arithmetic of costs and revenue right and you can explain almost any decision a business makes.
In this lesson you will define and calculate every cost a firm faces, fixed, variable, total and their averages, work out total and average revenue, see how output and sales change them, and weigh up the different objectives a firm might pursue. These are the building blocks of how firms behave.
Objectives
- total cost (TC), average total cost (ATC), fixed cost (FC), average fixed cost (AFC), variable cost (VC), average variable cost (AVC)
- calculation of TC, ATC, FC, AFC, VC and AVC
- drawing and interpretation of diagrams that show how changes in output affect costs of production
- definitions of total revenue (TR) and average revenue (AR)
- calculation of TR and AR
- the influence of sales on revenue
- survival, social welfare, profit maximisation and growth
Lesson Note
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Lesson Evaluation
Congratulations on completing the lesson on Firms’ Costs, Revenue And Objectives. Now that youve explored the key concepts and ideas, its time to put your knowledge to the test. This section offers a variety of practice questions designed to reinforce your understanding and help you gauge your grasp of the material.
You will encounter a mix of question types, including multiple-choice questions, short answer questions, and essay questions. Each question is thoughtfully crafted to assess different aspects of your knowledge and critical thinking skills.
Use this evaluation section as an opportunity to reinforce your understanding of the topic and to identify any areas where you may need additional study. Don't be discouraged by any challenges you encounter; instead, view them as opportunities for growth and improvement.
- Which of the following is a fixed cost? A. raw materials B. monthly factory rent C. wages of production workers D. delivery fuel Answer: B
- A firm has total cost $12,000 at an output of 600 units. Its average total cost is: A. $12 B. $20 C. $200 D. $7,200,000 Answer: B
- Total revenue is calculated as: A. price minus cost B. price multiplied by quantity sold C. total cost divided by output D. quantity divided by price Answer: B
- If a firm sells 800 units for total revenue of $4000, its average revenue is: A. $0.20 B. $5 C. $50 D. $3200 Answer: B
- As a firm increases output, its average fixed cost will: A. rise B. fall C. stay the same D. become negative Answer: B
Available on the Green Bridge App
Download the Green Bridge CBT app on your phone or computer to access full lesson notes, practice questions, and more.
Available on the Green Bridge App
Download the Green Bridge CBT app on your phone or computer to access full lesson notes, practice questions, and more.
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Practice Mock Questions
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