PROBLEM 4 - Supply and Demand Practice Exercise (10 marks) For each event, determine if there will be an increase or decrease in demand or supply. When this happens.... What does it affect: Increase or Demand or Supply? Decrease? The number of restaurants in Doha has increased. What happens to the supply of restaurant meals in the economy of Doha? 2 A hurricane has damaged coffee plantations in Columbia. How does this affect the supply of coffee? The price of spices is expected to decrease in the future. What happens to the demand for spices today? Plastic goods are made from polymers, if the price of polymers decreases, how does this affect the supply of plastic goods? The population of Qatar has increased over the past 10 5 Years. How does this affect the demand for phone service in Qatar