Answer:
Mrs Sade (producer) she owns a retail business, where she buys from producers and sell to final consumers. She sometimes earns discount as incentive for buying large quantity of goods. She is also a consumer, she buys food items.
Mr Sade- (producer) he renders consultancy services in the agricultural sector to farmers and agro-allied businesses, He earns incentive for his services through tax waiver from the government. He is also a consumer, he buys household items from nearby neighborhood market.
Sola: (consumer), buys household materials and school items, earns incentives via discount from shops he buys from.
Sade: (Producer) teaches in a primary school, the school pays into her pension account monthly. She is also consumer of finished goods which earns her incentives via discount for products she buys.