Differentiation will be defined as a process in which new entities emerge in a system. (in our case: a system of higher education). This definition is partly in line with. Smelser (1959) who describes differentiation as a process whereby a social unit. changes into two or more other units.
The North Carolina state sales tax rate is 4.75%, and the average NC sales tax after local surtaxes is 6.9%. 1  Prescription Drugs are exempt from the North Carolina sales tax.  Counties and cities can charge an additional local sales tax of up to 2.75%, for a maximum possible combined sales tax of 7.5%.
Counties and cities in North Carolina are allowed to charge an additional local sales tax on top of the North Carolina state sales tax. 92 out of the 100 counties in North Carolina collect a local surtax of 2%. Most groceries are taxed at a reduced rate of 2% (excluding things like candy and soft drinks).