Under what condition does the costs associated with the market mediation function occur?
A. when supply is greater than demand
B. when supply equals demand
C. when supply is less than demand
D. when supply does not equal to demand
Under what condition does the costs associated with the market mediation function occur?
A. when supply is greater than demand
B. when supply equals demand
C. when supply is less than demand
D. when supply does not equal to demand