illustrate with a diagram and explain whether demand and supply or both have shifted and in which direction in each case assume ceteris paribus a a rise in the price of margarine b a rise in the price of yoghurt c a rise in the price of bread d an increase in the demand for bread e an expected rise in the price of butter in the near future f an tax on butter production g an invention of a new but expensive process for removing all cholesterol from butter plus the passing of a law which states that all butter producer must use this process