By Harlan Kirgan Editor Depending on the interest rate, the St. Landry Parish Council may save from $250,000 up to $750,000 over the next eight years if it refinances its Road District 1 bond issue. The bond finances the Smooth Ride Home Program that has been used to pave parish roads through a 2% sales tax collected in rural St. Landry Parish. The three-year average interest rate the paris…