About how many years passed between the release of the the first harry potter and that of the most recent book?

9
11
16
18

the time most likely will repeat, in the story.

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.