Given the products below and the events that affect them, indicate what happens to demand or supply, and the equilibrium price and quantity. Identify the determinant of demand or supply that causes the shift. (a) Blue jeans. The wearing of blue jeans becomes less fashionable among consumers. (b) Computers. Parts for making computers fall in price because of improvements in technology. (c) Lettuce. El Ni-o produces heavy rains that destroy a significant portion of the lettuce crop. (d) Chicken. Beef prices rise because severe winter weather reduces cattle herds