Let's see who the first person to answer this is •^•

they protect against unsafe foods and medicines being sold

explanation:

i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.

answer; ///self- learning;

answer; blank(1); visual design; blank(2); words;