However, these doses are not the usual dose that a woman is exposed to when dying her hair, so it's hard to determine what this data means for a pregnant woman. She also revealed that there have been limited human studies that suggest a link to childhood cancer in children born to mothers who used hair dye while pregnant.
Another way to think about it, is the net sales amount is the amount of money that the company actually made before cost of goods sold and expenses. Returns and discounts are immediately subtracted, which gives a clearer view of how much money the company actually brought in.
1 Net Sales or Revenue Vs.  Many confuse revenue with operating income. When the term net revenue is used, the confusion deepens as others believe it means net operating income or net profit. However, net revenue refers to gross sales minus the cost of sales, including cost of goods sold. Conversely, operating income identifies the result of revenue minus operating expenses.