Consider the market for automobiles, suppose that the income level of consumers increases and at the same time the price of steel (an input to automobile production) falls. If you have no other infrmation, what can you day about the following: a Change in demand of automobiles b Change in supply of automobiles c With the shift in demand and supply curve, how would that change the original equilibrium quantity and price d Total costs of a firm producing automobiles e Total revenue of a firm producing automobiles