Where do advertising firms fit into a economic flow chart? They technically give wages, interest....?

adverstising firms part of service sector of production economy. assume have flow chart producers , consumers.

business entity can provider of goods e.g. computer software, dairy foods, furniture, automobile or industrial equipment manufacturers or provider of services such healthcare, accounting , interior decorating. advertising firms fall "services" category, difference being providers of services other busineses, not household consumers. in example, other 3 service sector businesses can provide services household consumers business consumers.

where advertising firms fit flow cart? technically give wages, interest, rent , profit , make revenue don't have product households buy.

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