Policy-level risks in the social-ecological model include: a. Risky health behaviors, such as injecting drugs
b. Laws that criminalize drug use
c. Relationships that influence health behaviors, such as friends who inject drugs
d. Knowledge of how HIV is transmitted

this doesn't support enough information to answer the question.

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; collectivism;