1. China to spend $1 trillion on 6,810 new aircraft. (1 point) Randy Tinseth, a marketing executive at Boeing Commercial Airplanes, said in a statement that he expects passenger traffic in China to grow by 6.4% a year over the next 20 years. The country's growing middle class and new visa policies "gives us every reason to expect a very bright future for China's long-haul market," he said. Boeing (BA) predicts that three-quarters of the new deliveries will be single-aisle aircraft that carry between 90 and 230 passengers, and cater to both business and holiday travelers. Boeing predicts that China's fleet of widebody aircraft -- like the 787 -- will triple over the next two decades. Charles Riley, CNNMoney September 13, 2016 Use a S/D model to graphically illustrate and explain how China's growing middle class (rising incomes) will affect the market for aircraft.