Answer:
b. The 2013 payment is included in 2013 GDP as government purchases, but the 2014 payment is not included in 2014 GDP.
Step-by-step explanation:
The $100,000 the economist received in 2013 is payment for his service to the government, therefore it is included in 2013 GDP as government purchases.
The $60,000 he received in 2014 is not goods or services made in the economy, but only an allocation of money. So it (and social transfer payment in general) is not included in GDP.