G If a parent spends one hour each weekday transporting her children to school, this activity a. is not included in GDP because it is not productive. b. could be included in GDP if the parent reports this activity in his or her income taxes. c. is not included in GDP because it does not involve a market transaction. d. is included in GDP because statisticians know that this activity has to take place. e. is included in GDP if the school system does not provide transportation for these children