GDP measures the value of final goods and services. Consider a pizza parlor that buys flour to make pizzas. Which of the following statements is true?
a) The value of flour is not included in GDP because it is an intermediate good.
b) The value of flour is included in GDP because it contributes to the production of final goods.
c) The value of flour is included in GDP only if it is imported.
d) The value of flour is not included in GDP because it is not a final good.