Determine Whether Each of the Following Would Be Included in GDP,and

Determine whether each of the following would be included in GDP,and explain why or why not.
(A)You buy a used car from a friend.
(B)You buy a used car at the local dealership.
(C)You are an at-home parent and spend your day cleaning house,cooking meals,and caring for the children.
(D)You hire a nanny to clean your house,cook your meals,and care for your children.