单项选择题
A. 15 B. 25 C. 30 D. 35 E. It cannot be determined from the information given.
A. 75,000 B. 185,000 C. 765,000 D. 1,070,000 E. 1,840,000
A. 76 B. 77 C. 78 D. 79 E. 80