For Elliot's Dog-Walking Service, the Only Variable Input Is Labor

question 295

Multiple Choice

For Elliot's dog-walking service, the only variable input is labor. Elliot's labor costs are $300 a day and his service walks 30 dogs per day. To walk 31 dogs per day, his labor costs increase to $305 a day. The marginal cost of walking that 31st dog is

• A) $5.
• B) $9.83.
• C) $19.52.
• D) indeterminate from the information given.

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Definitions:

Responsiveness of Quantity

The degree to which the quantity demanded or supplied responds to changes in price, income, or other factors.

Responsiveness of Price

The degree to which the demand or supply of a product changes in response to a change in price.

Consumer Surplus

The difference between what consumers are willing to pay for a good or service and what they actually pay, representing the extra satisfaction or utility gained.

Market Price

is the current price at which a product, security, or commodity can be bought or sold in a marketplace.