A、The general US economic activitivity. B、Consumer spending in US economy. C、The lower savings rate in Jmerim. D、The government’

　　(3) Consumer spending accounts for more than two thirds of US economic activity, making it one of the most closely watched economic indicators. The Commerce Department reports that Americans boosted spending 0.4 percent in June—slightly more than what economists had expected. It was the second consecutive monthly rise in consumer spending, and it was accompanied by a lower savings rate.
　　(3) Americans spent more despite lower incomes. Personal income fell 1. 3 percent—the largest monthly drop in four years. (4) The decline reversed a 1.3 percent increase in personal incomes in May that economists attributed to special payments the government made to try to revive the economy. But PNC Financial Services Group economist, Robert Dye says there might be better times ahead.
　　3. What’s the main idea of this news report?
　　4. What s the reason for the increase in personal incomes in May?