Table 32 Describes the Market for Day-Care Workers in the City

Table 3.2 describes the market for day-care workers in the city of Vishna (quantity of workers in hundreds) .

-Under what circumstances might an illegal market exist?

A) When a price ceiling is imposed.
B) When a price floor is imposed.
C) When price is not at equilibrium.
D) When there is a big surplus of a product.