What can i write for solid?

Explanation:

What do you mean by a solid? Such as like wood or something else.

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; /// department of health and human services;