For His Persuasive Speech on Lowering Property Tax Bills, Sheldon

For his persuasive speech on lowering property tax bills, Sheldon wants to discuss how the various community services such as the school district, library district, and park district are funded with regards to receipt of monies from property taxes. Which visual aid will easily allow Sheldon to show the information as a percentage of the overall income from taxes?

A) a line graph
B) a pie graph
C) a map
D) a flip chart