Which of the following are included in this year's GDP? Explain your answer in each case. a. An auto dealer's sale of a new car to a non-business customer. b. The services of a commercial painter in painting the family home. c. The money received by Smith when she sells her biology textbook to a used-book buyer. d. A $2 billion increase in business inventories. e. The publication and sale of a new economics textbook. f. Government purchases of newly produced aircraft. Edit View Insert Format Tools Table 12pt v Paragraph B IYA &V TV + 0 words > >