Predict how supply or demand will change in the following situations: a) AT&T provides a collapse in the price of your phone rates.b) Several new companies enter the manufacture of office furniture. c) The child phenomenon threatens to destroy maize crops and consumers expect the price to rise considerably. d) The price of coffee decreases. What is the effect on the tea market? e) The price of sugar increases. What is the effect on the coffee market? f) Suddenly, consumers decide that desktop computers have already gone out of style and decide not to buy them.