In each of the following statements, state whether the price elasticity of demand is larger than 1, equal to 1, less than 1, or equal to 0. Explain. (20 marks) a. "I owned two economics textbooks. I sold one on eBay for a high price. But when I sold the second one, the price dropped by 80%." (8 marks) b. "I always spend a total of exactly $10 per week on coffee." (6 marks) c. "I always buy 1 cup of coffee every morning." (6 marks)