Indicate whether the statements are TRUE, FALSE, or UNCERTAIN. a) A wheat farmer in Canada is made better off by wheat crop failures in Russia. b) A monopolistically competitive firm has no control over the price it can charge for its products. c) If Demand is elastic, a decrease in price will cause revenues to fall. d) If the price of Frozen Peas increases, the quantity of Frozen Corn demanded will increase. e) The demand curve slopes downward because, as price falls, consumers are willing to buy more of the good.