Answer: 2) Maggie bought some beads she will use to make necklaces to sell at the local flea market.
Explanation:
The reason why option 2 will be counted in the GDP will be because the local flew market is contributing to the economy by means of a marketplace under the supervision of the state and certain percentage is contributed to the economy. It can in the form of taxes or land rent or anything that the state has collected from the local flew market. Also, since GDP is the gross domestic product which means the total number of goods and services produced within the country. Option 2 has all the attributes that you can link with GDP.
However, in option 1 the money is going directly to the other person and the transaction involves two individuals only and the state has no intervention.