Which of the following is the best example of a pair of complements?

a. ?Milk and coffee
b. ?Coffee and tea
c. ?CDs and DVDs
d. ?Hiking boots and athletic shoes
e. ?Paperback books and hard cover books

Answer is a. ?Milk and coffee

Economics

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Marginal utility is the

A) usefulness of a product. B) utility that a person receives from the consumption of goods and services. C) change in utility that results from a one-unit change in the quantity of a good consumed. D) change in utility that results from a one-unit change in the price of a good consumed.

Economics

In the long run, any firm may enter or leave a perfectly competitive market

a. True b. False Indicate whether the statement is true or false

Economics