From 1973 to 1976, total United States consumption of cigarettes increased 3.4 percent, and total sales of chewing tobacco rose 18 percent. During the same period, total United States population increased 5 percent. Which of the following conclusion can be properly drawn? A. United States manufacturers of tabacco products had higher profits in 1976 than in 1973. B. Per capita consumption of cigarettes in the United States was lower in 1976 than in 1973. 有的解答给A.....有的给B. 请问到底是??? | 
