Discretionary and Essential Expenses 1. What is the difference between a discretionary expense and an essential expense? 2. For most people, health club membership expenses are considered discretionary. Alli lives in a big city and wants to join a health club. She researched monthly membership costs and found the following for health clubs within a 5-mile radius of her apartment. $65, $50, $44, $86, $90, $50, $35, $110, $70, $50, $35, $60, $56 a. What is the mean monthly membership fee? Round your answer to the nearest cent. b. What is the median monthly membership fee? c. What is the mode monthly m