A Surveyor's 30-M Steel Tape Is Correct at 68 $\degree$ F on a Hot Day the Tape Has Expanded to F

question 45

Multiple Choice

A surveyor's 30-m steel tape is correct at 68 $\degree$ F. On a hot day the tape has expanded to 30.01 m. On that day, the tape indicates a distance of 15.52 m between two points. The true distance between these points is:

• A) 15.50 m
• B) 15.51 m
• C) 15.52 m
• D) 15.53 m
• E) 15.54 m

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Definitions:

Private Cost

The costs directly incurred by those who are producing or consuming goods or services.

Marginal Social Benefit

The additional gain to society as a whole from an extra unit of production.

Marginal Social Cost

The cost to society of producing an additional unit of a good or service, including both the private costs and any external costs.

Marginal Social Benefits

The extra advantage to the entire community from using an additional unit of a product or service.