The pie chart given below shows the number of votes received by 5 candidates in an election. The number of votes received by any particular candidate is shown as a percent of the total number of votes received by all five candidates.What is the difference between the central angle formed by the sectors of C3 and C1?

• A. 144 degree
• B. 38.4 degree
• C. 21.6 degree
• D. 72 degree