MACON, Georgia (41NBC/WMGT) — Macon-Bibb County residents will have three opportunities beginning Friday to comment on a tentatively adopted millage rate of 9.575 mills. According to the public hearing agenda, the proposed rate is 0.813 mills above the 8.762 mill rollback rate. The agenda classifies the difference as a 9.28% property tax increase. The 9.28% figure compares the proposed rate with the rollback rate. Macon-Bibb estimates the propos…