2p + 100 M , where p is the price of yo-yos and M is income.
(a) Illustrate is the income elasticity of demand for yo-yos?
(b) What is the price elasticity of demand for yo-yos? 15.8 (0) If the demand function for zarfs is P = 10
(a) At what price will total revenue realized from their sale be at a maximum?
(b) How many zarfs will be sold at that price?