Suppose there is an excess demand for cell phones. in a market without price controls, market pressures will cause the price of cell phones to until it reaches the equilibrium price.

How does the supremacy clause of the u.s. constitution affect the states? o a. it requires each state to establish a supreme court. b. it declares that the federal government can take away state powers if necessary. o c. it allows state governments to overthrow the federal government if necessary. o d. it ensures that the u.s. constitution overrules each state constitution