(b) Draw a demand curve illustrating price inelastic demand and clarify how the curve pertains to the definition of rate elasticity of demand from customers. 很多留学生往往会纠结于代写、代考的价格问题上，总会问出一些说起来好笑，但又富有哲学性的问题，比如代写、代考价格的高低是衡量质量的标准，亦或是优惠大的、单价便宜的代写、代考有着极高的性价比云云。其实这类问题看似可笑，实则揭露了目前... https://health-lists.com/story16055154/the-best-side-of-paper%E4%BB%A3%E5%86%99