The price of a book is increased from $300 to $330. What is the % of increase in its price?  Choose the most appropriate option.
A) 10 %	B) 20 %	C) 30 %	D) 35 %	E) 45 %

Rationale: explanation : change in the price = rs 330 – rs 300 = rs 30 percentage of increase = change in the price initial price * 100 . percentage increase in price = ( 30 / 300 ) * 100 = 10 % a
Answer: A