The External Marginal Cost of Producing Coal Is MC_external =

question 47

Multiple Choice

The external marginal cost of producing coal is MC_external = 6Q while the internal marginal cost is MC_internal = 4Q.The inverse demand for coal is given by P = 120 − 2Q.What is the socially efficient level of output?

• A) 10
• B) 20
• C) 15
• D) 8

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Definitions:

Perpetual Inventory System

A method of inventory management where updates to inventory records are made in real-time following every transaction.

Cost of Goods Sold

Cost of goods sold (COGS) represents the direct costs attributable to the production of the goods sold by a company.

Periodic Inventory System

An inventory system that updates inventory balances at the end of a period, relying on physical counts to measure stock levels.

Detailed Records

Comprehensive, accurate documentation of transactions, activities, or events, maintained for reference and compliance.