Each of the events listed below has an impact on the market for bicycles. For each event, which curve is affected (supply or demand for bicycles), what direction is it shifted? a. The price of cars increases. b. Consumers' incomes decrease, if bicycles are a normal good. c. The price of steel used to make bicycle frames increases. d. An environmental movement shifts tastes toward bicycling. e. Consumers expect the price of bicycles to fall in the future. f. A technological advance in the manufacture of bicycles occurs. g. The price of bicycle helmets and shoes is reduced. h. Consumers' incomes decrease, if bicycles are an inferior good