The contribution margin approach uses the product's unit con-tribution margin of its contribution margin ratio, which give the increase in operating income for each additional unit sold or for each dollar of sales revenue, respectively.
The contribution margin approach uses the product's unit con-tribution margin of its contribution margin ratio, which give the increase in operating income for each additional unit sold or for each dollar of sales revenue, respectively.
边际贡献法使用产品的单位边际贡献或他的边际贡献率，即销售量或销售额每增加一个单位时边际贡献的增长幅度。