The following pie-chart shows the percentage distribution of the expenditure incurred in publishing a book. Study the pie-chart and the answer the question based on it.If the difference between the two expenditures are represented by 18° in the pie-chart, then these expenditures possibly are

• A. Binding Cost and Promotion Cost
• B. Paper Cost and Royalty
• C. Binding Cost and Printing Cost
• D. Paper Cost and Printing Cost