what is the passage or the article to the question?
Answer:
I believe it would be
Las.
Explanation:
If Los is wrong, (then it probably feminine) meaning it's Las for plural.
Not sure if this is what you wanted but here is what this sentence
Sucesso comercial depende apenas do produto comercializado
means in English.
<span>(Commercial success depends only on the product marketed.)
Hope this helps you. :)
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