Select all that apply Which of the following consistently illustrate the effects on equilibrium price and quantity as a result of different changes in supply and demand? (Select all that apply.) Multiple select question. If the supply of corn increases and the demand for corn increases, the equilibrium price increases and the effect on quantity is uncertain. If the demand for health care increases, with supply held constant, the equilibrium price and quantity of health care will increase. If the supply of DVD players decreases, with demand held constant, the equilibrium price will increase and quantity will decrease. If the demand for corn decreases and the supply of corn increases, equilibrium price will increase