Answer :
A . Law of diminishing returns is the answer .
Because the law of diminishing returns argues. that the expansion of a business must always consider the demand and if it does not the graph will lower into the diminishing returns that is less and less profit for the firm.
Because the law of diminishing returns argues. that the expansion of a business must always consider the demand and if it does not the graph will lower into the diminishing returns that is less and less profit for the firm.