The primary germ layers (endoderm, mesoderm, and ectoderm) are formed and organized in their proper locations during gastrulation. Endoderm, the most internal germ layer, forms the lining of the gut and other internal organs.
Current Sales Tax Rates for Marion County. Effective July 1, 2015, the State sales tax rate changes to 6.50%. New Sales Tax Rates for Marion County (effective 07/01/15)
Dayton, OH Sales Tax Rate. The current total local sales tax rate in Dayton, OH is 7.250% . The December 2014 total local sales tax rate was also 7.250% .