The price of a book is increased from $300 to $360. What is the % of increase in its price?
Choose the correct choice from the following answers
A) 10 %	B) 20 %	C) 35 %	D) 40 %	E) 50 %

Rationale: "explanation : change in the price = rs 360 – rs 300 = rs 60 percentage of increase = change in the price initial price * 100 . percentage increase in price = ( 60 300 ) * 100 = 20 % b"
Answer: B