This past year, Jack's Packaged Goods launched a yearlong advertising campaign for its packaged beef jerkies. At the end of the past calendar year, Jack's sold 5 million packs of beef jerkies compared to the 4 million sold during the previous year, an increase directly attributable to new customers brought in by the campaign. Profits from the additional sales, however, were substantially less than the cost of the advertising campaign. Clearly, therefore, the campaign did nothing to further Jack's economic interests.
Which of the following, if true, most seriously weakens the argument?