According to the spheres of life model, happiness occurs when ________.

A) the two hemispheres of the brain support each other
B) a person has at least six spheres of life
C) the six spheres of life are spinning rapidly
D) the various components of life work together in harmony

Which of the following is not true about gross domestic product (GDP) ?

A) It includes only final goods and services.
B) It reflects production in a particular year.
C) Intermediate goods and services are excluded to prevent double counting.
D) It excludes purchases of financial assets.
E) It includes transfer payments.