Which sentence uses possessive pronouns correctly?
a.
diana pointed to the trophies that were hers'.
b.
did you hear the train and its loud whistle?
c.
the duck dunked it's orange beak under the water.
d.
that box of books is theirs'.

can you copy and paste what selections you read? the answer is based off of that.

the economic activity signified in that scenario is a. production

in general, market production makes reference to the elaboration of a product or service which is destinated for economic purposes (to be sold) at money-price in a market. such product or service has to be principally tradable for money.

there is no money exchange involved in distribution, generalized reciprocity or balanced reciprocity.