Subject: mathqa
Question: in 1998 the profits of company n were 10 percent of revenues . in 1999 , the revenues of company n fell by 20 percent , but profits were 10 percent of revenues . the profits in 1999 were what percent of the profits in 1998 ?
Option: 
A: 105 %
B: 80 %
C: 138 %
D: 124.2 %
Answer: B