Directions: Circle graph given below shows the expenditure incurred in bringing out a book by a publisher. Study the graph and answer the question.

Question 1: Price of a book is 20% above cost price. If the marked price is Rs.180, then the cost of paper for a single copy, in Rs., is
(a) 44.25
(b) 36
(c) 22.50
(d) 42

Question 2: Royalty of a book is less than the printing cost by:
(a) 25%
(b) 5%
(c) 10%
(d) 20%