The contribution margin ratio tells the increase in the total contribution margin and operating income for each additional dollar of sales revenue.

边际贡献率表示销售收入每增加一个单位时边际贡献增加的幅度。

youdao

Once you know your overhead costs, take that total number and divide it by your contribution margin in dollars per unit (the answer from Step 2 above).

一旦知道了日常开支费用，把他们加在一起除以单位边际收益(上面的步骤二已经得出答案)。

youdao