Which of the follIf the price of Pepsi-Cola increases from 40 cents to 50 cents per can and the quantity demanded decreases from 100 cans to 50 cans, then the value of the price elasticity of demand for Pepsi-Cola is: Group of answer choices /3/. /0.25/. /1/. /2/.owing determines a firm's revenue when it changes the price of its product? Group of answer choices The price elasticity of demand for the firm's product The firm's cost function The price elasticity of supply The plant size used by the firm in the long run