gross profit margin importance (1) the equity of enterprises in general (including the transfer of shares, or shares, buy and sell, should according to the state administration of taxation on several tax equity investment business issues notice "(guoshuifa (2000) no. 118) the relevant provisions. Where the equity transferor should share the accumulated undistributed profit or accumulated surplus accumulation fund of the investor, the income derived from the transfer of equity shall not be recognized as the income derived from the nature of the dividend. According to the carrying capacity, there are minivans (under 1.8 tons), light trucks (1.8-6 tons), medium goods vehicles (6-14 tons) and heavy trucks (over 14 tons). This approach periodically revised future plans based on the implementation of the plan and changes in the environment, and moved forward over the period to integrate short-term and medium-term plans organically. As it is difficult to accurately predict the future of the plan work affect organizational survival and the development of economy, politics, culture, technology, industry, customers and other factors change, and as the extension of planning period, the uncertainty is greater and greater. Therefore, the implementation of a planned implementation of a mechanical, or mechanical, and static execution of a strategic plan by a number of years ago may result in significant errors and losses. Rolling planning can avoid the consequences of this uncertainty. The specific approach is to make plans in a very short and thin way. Labour minister John MacDonald (John McDonnell), said the international monetary fund, according to a report of a conservative government "good at cuts in public services, tax breaks for a few rich people, but no hope to invest in our country for the majority of people skills and infrastructure needed for the economic development".