Retail sales Tax Several types on sales taxes levied on wide variety of commodities General sales tax impose the same tax rate on the purchase of all commodities Selective sales tax is levied at different rates on the purchase of different commodities Also known as excise tax or differential commodity tax3 Retail Sales Tax • Several types on sales taxes levied on wide variety of commodities: – General sales tax impose the same tax rate on the purchase of all commodities. – Selective sales tax is levied at different rates on the purchase of different commodities. • Also known as excise tax or differential commodity tax