· CSMA/CD Carrier sense in CSMA improves performance, but still itwastes the channel during interface to another In point-to-point mode only two devices can be on the same collisions.CSMA/CD: carrier sensing & deferral as in CSMA· Sense during transmission, as well as physically-connected segment, thus: before
3. the growing "shadow" economy, i.e. implicit or explicit tax evasion. The main features of the tax system are summarized in Table 7. In the tax system, there are a variety of benefits such as tax exemption for a number of years, reducing tax rates, subtract the deductible expenses, which the State concerned, the establishment of discounts during the formation of different funds, the return of previously paid taxes, tax credit or deferral of payments of taxes, exemption limit, the removal of certain elements of taxation, exemption of certain categories of taxpayers, etc. In case of violation of tax legislation taxpayer liable to a penalty the entire amount of the concealed (undervalued) income or the amount of tax for a hidden object of taxation, as well as a fine of the same amount and interest at the rate of one three-hundredth of the refinancing rate for each day of delay. Repeated or deliberate concealment (determined by
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