In a strange twist of hearts, P politician of a country agreed to an average donation of Rs D each. Q of these politicians who had pledged an average of Rs A never donated the pledged money. Which of the following expression represents the percentage of pledged money that was actually donated ?
A. 100(PD/QA)
B. 100(QA/PD)
C. 100-100(QA/PD)
D. 100PD-100(QA/PD)