Subject: mathqa
Question: a bowl was filled with 10 ounces of water , and 0.010 ounce of the water evaporated each day during a 50 - day period . what percent of the original amount of water evaporated during this period ?
Option: 
A: 0.004 %
B: 0.40 %
C: 0.04 %
D: 5 %
Answer: D