The marginal revenue is $4,000.
Further Explanation:
Marginal revenue:
Marginal revenue refers to the increase in the revenue of the commodity by selling an additional unit of commodity. It is an essential tool to identify per-unit revenue and the revenue level at a different level. The management can use this information to project and set the standard sale for the future. The marginal revenue is calculated by dividing the increase in revenue with the increase in the sold units.

Calculate the marginal revenue:
The increase in revenue is $8,000. The increase in units sold is 2.The marginal revenue can be calculated by dividing the increase in revenue with the increase in units sold. It will show the per unit increase in revenue. The marginal revenue can be calculated as follows:

Thus, the marginal revenue is $4,000.
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Answer Details:
Grade: Middle school
Chapter: Marginal utility
Subject: Economics
Keywords: revenue, increase from one, level, ten, eight, marginal, revenue, per unit, additional, sales, management, tool, decision making,