Subject: mathqa
Question: a certain company reported that the revenue on sales increased 40 % from 2000 to 2003 , and increased 80 % from 2000 to 2005 . what was the approximate percent increase in revenue for this store from 2003 to 2005 ?
Option: 
A: 35 %
B: 32 %
C: 29 %
D: 50 %
Answer: C