impact of the deductible part from tax base and tax allowance to the net salary of the employee

Bachelor thesis aims to point out the fact that the effective taxation of personal income from employment does not match the given rate of 15 %, but in reality, at different levels of gross income vary significantly. Theoretical part of this thesis combine findings from the Labour Code and the Income Tax Act, which create a brief but concise basis for the practical part, which point out the differences in taxation on the basis of calculations. The reason for this difference, as it will be explained in the bachelor thesis, are non-taxable part of tax base, tax allowance and child tax credit. The thesis also describes the conditions which are necessary to fulfil for the utilization of these tax "relief"