Suppose That for a Particular Firm the Only Variable Input

question 329

Multiple Choice

Suppose that for a particular firm the only variable input into the production process is labor and that output equals zero when no workers are hired. In addition, suppose that marginal cost of the third worker hired is $40, and the average total cost when three workers are hired is $50. What is the total cost of production when three workers are hired?

• A)$50
• B)$90
• C)$120
• D)$150

---

Definitions:

Depreciation

Methodically dividing the cost of a tangible asset throughout its effective life.

Residual Value

The estimated amount that an asset will be worth at the end of its useful life, after it has been fully depreciated.

Straight-Line Depreciation

A method of allocating the cost of a tangible asset over its useful life evenly.

Depreciation Expense

Assigning the cost of a solid asset across its useful lifespan.