A.经营期现金净流量=销售收入-付现成本-所得税B.经营期现金净流量=净利润+折旧等非付现成本C.经营期现金净流量=税前利润+折旧等非付现成本×所得税税率D.经营期现金净流量=销售收入-付现成本-折旧等非付现成本×所得税税率E.经营期现金净流量=(销售收入-付现成本)×(1-所得税税率)+折旧等非付现成本×所得税税率