topic :price elasticity of Demand and supply

5. Florists' incomes are usually not stable. a. People like to send flowers as gifts to their loved ones on Valentine's Day. With the aid of a diagram, explain how florists' total revenue changes on Valentine's Day. b. Suppose the winter is warmer than expected this year. The flower harvest is good. Nevertheless, florists' total revenue has decreased. Explain this phenomenon with the aid of a diagram