Use the following graph to answer the next question.A 3% general sales tax would have a structure that is illustrated by

If the number of people unemployed is 100, the number of people employed is 1000, and the working-age population is 1400, then the labor force is

A) 1000. B) 1100. C) 1400. D) 1500.

In economics, the term "fixed costs" means

A) costs that do not vary with the level of output produced. B) implicit costs. C) costs incurred in the past that involve no implicit costs. D) costs that are never accounted for. E) opportunity costs.