the transformation formula of critical markup rate and critical gross profit rate is given, and their equivalency for the stability study is illustrated.
给出了临界加价率同临界毛利率的转换公式,说明他们对稳定性研究的等效性。
currently, the company adopts the direct sale, attaches importance to keeping good relationship with big clients, and maintains a comparatively steady gross profit rate for product sale.