Identify the relevant elasticity concept for the given event. Then, compute the measure of elasticity using average prices and quantities in your calculations. In all cases, assume that these are ceteris paribus changes. (Type integers or decimals rounded to two decimal places as needed.) Part 2 a. When the price of concert tickets is reduced from $14.00 to $12.00, ticket sales increase from 1200 to 1450. The relevant concept is . This measure