Which of the following are included in this year’s GDP? Explain your answer in each case.
a. The services of a commercial painter in painting the family home.
b. An auto dealer’s sale of a new car to a non business customer.
c. The money received by Smith when she sells her biology textbook to used book buyer.
d. The publication and sale of a new economic textbook.
e. A $2 billion increase in business inventories.
f. Government purchases of newly produced aircraft.