The correct answer is B; Taxing the sellers of the product.
Further Explanation:
The seller cannot be taxed for the product. The product makers were already taxed first by the government so they can't tax the product again. Spillover benefits can be both positive and negative.
By taxing the seller of the product the government is not approaching the socially optimal level. Many times the costs of the spillover may affect a third party and can cause extra costs to someone not even directly related to the product.
Learn more about the spillover benefits at https://brainly.com/question/12263191
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