Mia Wants to Buy a Book

Multiple Choice

Mia wants to buy a book. The economic perspective suggests that Mia will buy the book if

A) she has enough money to pay for the marginal cost of the book.
B) the marginal benefit of the book is a positive value.
C) the marginal cost of the book is greater than its marginal benefit.
D) the marginal benefit of the book is greater than its marginal cost.