In the income section, how many degrees (approx.) Should there be in central angle of the sector representing income tax?

In the income section, how many degrees (approx.) Should there be in c

1.	In the income section, how many degrees (approx.) Should there be in central angle of the sector representing income tax?
A.	105
B.	120
C.	135
D.	150
Answer» C. 135