How it feel to be colored “I feel like a brown bag of miscellany propped against a wall. Against a wall in
company with other bags, white, red and yellow.”

do you think they are still true and relevant in 2020? ...If none are relevant, what's changed?

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.

the correct answer is c.