Get the answers you need at Westonci.ca, where our expert community is always ready to help with accurate information. Join our Q&A platform and connect with professionals ready to provide precise answers to your questions in various areas. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

Which of the following is counted in the calculation of GDP?

a. the trading of 1,000 shares of Microsoft stock.
b. the services of a real estate broker.
c. Social Security payments to retirees from the federal government.
d. the sale of a used car.