With the aid of appropriate diagrams, explain the effects on equilibrium price and quantity of i)coffee if there has been failure in the harvest of coffee ii) holidays if there has been an increase in consumer's income. b) explain and illustrate the following using diagrams i) market equilibrium ii) market disequilibrium 3.a. A 20% increase in the price of milk leads to a 10% reduction in the quantity of milk demanded. What is the price elasticity of demand for milk? b)suppose a grocery store normally sells a 100 cartons of milk per day and the price elasticity of demand is 1.7. If the store lowers the price of milk by 10%,about how many cartons of milk will it then sell per week. Show clear workings