Distinguished - Accurately calculates and thoroughly explains the profit-maximizing price and out levels; accurately plots the MC, D, and MR curves and illustrates the equilibriums point.

Proficient - Calculates and explains the profit-maximizing price and output levels; plots the MC, D, and MR curves and illustrates the equilibrium point. A few inaccuracies in the calculations or minor details are missing from the explanation.

Basic - Calculates and partially explains the profit-maximizing price and output levels; partially plots the MC, D, and MR curves and illustrates the equilibrium point. A several inaccuracies in the calculations and/or relevant details are missing from the explanation.

Below Expectations - Attempts to calculate and explain the profit-maximizing price and output levels; attempts to plot the MC, D, and MR curves and illustrate the equilibrium point; however, many inaccuracies in the calculations and significant details are missing from the explanation.

Non-Performance - The explanation and calculation of the profit-maximizing price and output levels and the plotting of the MC, D, and MR curves are either nonexistent or lack the components described in the assignment instructions.

Distinguished - Thoroughly describes and accurately calculates the economic profit that Robert’s company will make in the first year.

Proficient - Describes and calculates the economic profit that Robert’s company will make in the first year. A few inaccuracies in the calculations or minor details are missing from the description.

Basic - Partially describes and calculates the economic profit that Robert’s company will make in the first year. Several inaccuracies in the calculations and/or relevant details are missing from the description.

Below Expectations - Attempts to describe and calculate the economic profit that Robert’s company will make in the first year; however, many inaccuracies in the calculations and significant details are missing from the description.

Non-Performance - The description and calculation of economic profit are either nonexistent or lack the components described in the assignment instructions.

Distinguished - Thoroughly discusses whether or not the economic profit is expected to continue in subsequent years.

Proficient - Adequately discusses whether or not the economic profit is expected to continue in subsequent years. Minor details are missing.

Basic - Partially discusses whether or not the economic profit is expected to continue in subsequent years. Relevant details are missing.

Below Expectations - Attempts to discuss whether or not the economic profit is expected to continue in subsequent years; however, significant details are missing.

Non-Performance - The discussion of whether or not the economic profit is expected to continue in subsequent years is either nonexistent or lacks the components described in the assignment instructions.

Distinguished - Accurately derives the demand curves in each market.

Proficient - Derives the demand curves in each market. There are few inaccuracies in the demand curves.

Basic - Partially derives the demand curves in each market. There are several inaccuracies in the demand curves.

Below Expectations - Attempts to derive the demand curves in each market; however, there are numerous inaccuracies in the demand curves.

Non-Performance - The derivation of the demand curves in each market is either nonexistent or lacks the components described in the assignment instructions.

Distinguished - Thoroughly derives GGC’s marginal revenue (MR) and marginal cost (MC) curves in each market and accurately plots them on the graphs.

Proficient - Derives GGC’s marginal revenue (MR) and marginal cost (MC) curves in each market and plots them on the graphs. There are few inaccuracies in the calculations.

Basic - Partially derives GGC’s marginal revenue (MR) and marginal cost (MC) curves in each market and plots them on the graphs. There are several inaccuracies in the calculations.

Below Expectations - Attempts to derive GGC’s marginal revenue (MR) and marginal cost (MC) curves in each market and plot them on the graphs; however, there are many inaccuracies in the calculations.

Non-Performance - The derivations of GGC’s marginal revenue (MR) and marginal cost (MC) curves in each market and the plot of them on the graphs are either nonexistent or lack the components described in the assignment instructions.

Distinguished - Thoroughly and accurately derives and describes the quantities that should be produced and sold and the prices that should be charged in each market.

Proficient - Derives and describes the quantities that should be produced and sold and the prices that should be charged in each market. There are few inaccuracies in the calculations and minor details are missing.

Basic - Partially derives and describes the quantities that should be produced and sold, and the prices that should be charged, in each market. Several inaccuracies in the calculations and/or relevant details are missing.

Below Expectations - Attempts to derive and describe the quantities that should be produced and sold, and the prices that should be charged, in each market; however, many inaccuracies in the calculations and significant details are missing.

Non-Performance - The algebraic derivation and description of the quantities that should be produced and sold, and the prices that should be charged, in each market is either nonexistent or lacks the components described in the assignment instructions.

Distinguished - Provides an accurate calculation of the price elasticities of demand and a comprehensive discussion of the relationship between the price elasticities and the prices to be charged in each market.

Proficient - Provides a calculation of the price elasticities of demand and a discussion of the relationship between the price elasticities and the prices to be charged in each market. Few inaccuracies are present in the calculations or minor details are missing from the discussion.

Basic - Provides a calculation of the price elasticities of demand and a partial discussion of the relationship between the price elasticities and the prices to be charged in each market. Several inaccuracies are present in the calculations and/or relevant details are missing from the discussion.

Below Expectations - Provides a calculation of the price elasticities of demand and a minimal discussion of the relationship between the price elasticities and the prices to be charged in each market. Many inaccuracies are present in the calculations and/or significant details are missing from the discussion.

Non-Performance - The calculation of the price elasticities and the discussion of the relationship between the price elasticities and the prices to be charged are either nonexistent or lack the components described in the assignment instructions.

Distinguished - Provides a valid outline and description of reservations and qualifications concerning price recommendations.

Proficient - Provides an outline and description of reservations and qualifications concerning price recommendations, but minor details are missing.

Basic - Provides a partial outline and description of reservations and qualifications concerning price recommendations, but relevant details are missing.

Below Expectations - Provides a minimal outline and description of reservations and qualifications concerning price recommendations, but significant details are missing.

Non-Performance - The outline and description of reservations and qualifications concerning price recommendations are either nonexistent or lacks the components described in the assignment instructions.

Distinguished - Clearly and comprehensively explains in detail the issue to be considered, delivering all relevant information necessary for a full understanding.

Proficient - Clearly explains in detail the issue to be considered, delivering enough relevant information for an adequate understanding.

Basic - Briefly recognizes the issue to be considered, delivering minimal information for a basic understanding.

Below Expectations - Briefly recognizes the issue to be considered, but may not deliver additional information necessary for a basic understanding.

Non-Performance - The assignment is either nonexistent or lacks the components described in the instructions.

Distinguished - Uses appropriate, pertinent, and persuasive content to discover and develop sophisticated ideas within the context of the discipline, shaping the work as a whole.

Proficient - Uses appropriate and pertinent content to discover ideas within the context of the discipline, shaping the work as a whole.

Basic - Uses appropriate and pertinent content, but does not apply it toward discovering or developing ideas. Overall, content assists in shaping the written work.

Below Expectations - Uses content, though it may be unrelated or inappropriate to the topic. Content does not contribute toward the development of the written work, and may distract the reader from its purpose.

Non-Performance - The assignment is either nonexistent or lacks the components described in the instructions.

Distinguished - Displays meticulous comprehension and organization of syntax and mechanics, such as spelling and grammar. Written work contains no errors, and is very easy to understand.

Proficient - Displays comprehension and organization of syntax and mechanics, such as spelling and grammar. Written work contains only a few minor errors, and is mostly easy to understand.

Basic - Displays basic comprehension of syntax and mechanics, such as spelling and grammar. Written work contains a few errors, which may slightly distract the reader.

Below Expectations - Fails to display basic comprehension of syntax or mechanics, such as spelling and grammar. Written work contains major errors, which distract the reader.

Non-Performance - The assignment is either nonexistent or lacks the components described in the instructions.

Distinguished - Accurately uses APA formatting consistently throughout the paper, title page, and reference page.

Proficient - Exhibits APA formatting throughout the paper. However, layout contains a few minor errors.

Basic - Exhibits basic knowledge of APA formatting throughout the paper. However, layout does not meet all APA requirements.

Below Expectations - Fails to exhibit basic knowledge of APA formatting. There are frequent errors, making the layout difficult to distinguish as APA.

Non-Performance - The assignment is either nonexistent or lacks the components described in the instructions.