a.There was a report saying that eating fast food is much more hazardous than expected. Assuming ceteris paribus, how would equilibrium price and quantity change?

b.Suppliers are raising the price on potatoes. Assuming ceteris paribus, how would equilibrium price and quantity change?

c.Incomes for Kingsbury residents fall and fast food is considered an inferior good. Assuming ceteris paribus, how would equilibrium price and quantity change?