Carlos receives a consumer surplus of $10 for the first glass of lemonade. For the second glass, he receives a consumer surplus of $8, and for the third glass, he receives a consumer surplus of $6 . His total consumer surplus from the three glasses of lemonade is _____

Which of the following statements is (are) true?

A) A model is a set of simplifying assumptions about some aspect of the real world. B) Models are based on assumed conditions that are simpler than those of the real world. C) A model cannot be a complete representation of the real world. D) All of the above are true.

High-powered money minus currency in circulation equals

A) reserves. B) the borrowed base. C) the nonborrowed base. D) discount loans.