? Question 1.2: After raising the price of Cola by 30%, how much of a percentage increase or decrease in sales should Jenny expect? Denote a decrease as negative and round your answer to two decimal places (e.g.-3.0296). % Check Answer Calculating Price Elasticity of Demand Price Item: Cola A brand of cola soda pop. Perhaps Koala Cola. Quantity 160 Old $2.00 New $2.40 70.4 Price Elasticity of Demand = 2.8 Percentage Change 20.00% -56.00%