the point at which it is no longer advantageous to buy in bulk is known as marginal\no cost.\no tipping.\no…

Brief Explanations:

In economics, marginal cost is the cost of producing one more unit or in the context of buying, the additional cost of buying one more unit. When the marginal cost of buying in bulk outweighs the benefits, it's no longer advantageous. Marginal tipping is not a relevant economic - term in this context. Marginal benefit is the additional benefit from consuming one more unit, which is not what the question refers to. Marginal error has no relation to the point of non - advantageous bulk buying.

Answer:

A. cost